Tp Hồ Chí Minh, Tháng 06 năm 2019 Sinh viên thực hiện Nguyễn Minh Hoàng hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghi
Trang 1ĐẠI HỌC CÔNG NGHIỆP TP.HCM KHOA CÔNG NGHỆ ĐIỆN
KHÓA LUẬN TỐT NGHIỆP
THIẾT KẾ HỆ THỐNG BẢO VỆ RƠLE CHO TRẠM BIẾN ÁP CÁT LÁI 110KV
SINH VIÊN : NGUYỄN MINH HOÀNG MSSV : 15075951
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 2TRƯỜNG ĐẠI HỌC CÔNG NGHIỆP TP HCM KHOA CÔNG NGHỆ ĐIỆN
3 Nhiệm vụ (Nội dung và số liệu ban đầu)
- Thiết kế hệ thống bảo vệ Rơle cho TBA Cát Lái 110 kv có thông số sau:
+ Trạm có 2 MBA song song với công suất của mỗi máy là 63 MVA
+ Sơ đồ nguyên lý TBA(kèm theo)
+ TBA cung cấp điện cho các nhánh phụ tải: Thạnh Mỹ Lợi, Tân Cảng, KDL Cát Lái…
4 Kết quả dự kiến
- Chọn phương thức bảo vệ cho TBA
- Biết tính toán ngắn mạch đối xứng,bất đối xứng phục vụ bảo vệ Rơle - Giới thiệu tính năng và thông số của Rơle
- Tính toán cài đặt Rơle bảo vệ TBA và kiểm tra độ nhạy của Rơle bảo vệ
Giảng viên hướng dẫn Tp HCM, ngày tháng năm 2019 Sinh viên
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 3NHẬN XÉT CỦA GIẢNG VIÊN HƯỚNG DẪN
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 4LỜI MỞ ĐẦU
Trong quá trình vận hành hệ thống điện, không phải lúc nào hệ thống cũng hoạt động ổn định, thực tế chúng ta luôn gặp tình trạng làm việc không bình thường hoặc sự cố như ngắn mạch, quá tải Nguyên nhân có thể do chủ quan hoặc khách quan Hệ thống bảo vệ Rơle sẽ phát hiện các tình trạng đó để đề ra những biện pháp xử lý kịp thời Hiện nay với sự phát triển của khoa học kỹ thuật, thiết bị bảo vệ rơle ngày càng hiện đại, nhiều chức năng và tác động chính xác hơn.Ở nước ta hiện nay, xu hướng sử dụng rơle kỹ thuật số để dần thay thế cho các rơle điện cơ đang được xúc tiến mạnh mẽ
Luận văn “ Thiết kế hệ thống bảo vệ rơle cho trạm biến áp 110 kV” được trình
bày trong 5 chương:
- Chương 1: Mô tả đối tượng được bảo vệ và các thông số chính - Chương 2: Tính toán ngắn mạch phục vụ bảo vệ rơle
- Chương 3: Lựa chọn phương thức bảo vệ
- Chương 4: Giới thiệu tính năng và thông số rơle được chọn
- Chương 5: Tính toán các thông số và kiểm tra sự làm việc của bảo vệ Để hoàn thành luận văn này, em xin chân thành cảm ơn sự hướng dẫn, chỉ bảo tận tình của Cô Ths Phan Thị Hạnh Trinh, bộ môn hệ thống điện- trường Đại Học Công Nghiệp Thành Phố Hồ Chí Minh Xin chân thành cảm ơn các anh đi trước cũng như các bạn đã có những đóng góp ý kiến quý báu giúp đỡ em trong quá trình hoàn thiện Luận văn này Tuy nhiên, do thời gian có hạn, vấn đề nghiên cứu có liên quan đến nhiều lĩnh vực và vốn hiểu biết chưa nhiều nên chắc chắn luận văn có nhiều thiếu sót Em rất mong nhận được sự nhận xét cũng như góp ý của quý Thầy Cô để luận văn của em hoàn thiện hơn
Em xin chân thành cảm ơn
Tp Hồ Chí Minh, Tháng 06 năm 2019
Sinh viên thực hiện
Nguyễn Minh Hoàng
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 5MỤC LỤC
PHIẾU GIAO NHIỆM VỤ KHÓA LUẬN TỐT NGHIỆP i
NHẬN XÉT CỦA GIẢNG VIÊN HƯỚNG DẪN ii
LỜI MỞ ĐẦU iii
1.3.3 Máy biến điện áp 4
1.4 Các số liệu cần thiết phục vụ cho tính toán bảo vệ 4
CHƯƠNG 2: TÍNH TOÁN NGẮN MẠCH PHỤC VỤ BẢO VỆ RƠLE 5
2.1.Mục đích tính toán ngắn mạch 5
2.2.Xét điểm tính toán ngắn mạch 5
2.3.Các giả thiết cơ bản để tính ngắn mạch 6
2.3.1 Chọn các đại lượng cơ bản 6
CHƯƠNG 3: LỰA CHỌN PHƯƠNG THỨC BẢO VỆ 37
3.1.Đối tượng được bảo vệ và các dạng hư hỏng 37
3.2.Nhiệm vụ của bảo vệ rơle 38
3.3.Những yêu cầu đối với thiết bị bảo vệ 39
123docz.net - File bi loi xin lienhe: lethikim34079@hotmail.com hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 63.4.3 Bảo vệ chống quá tải 44
3.5.Bảo vệ dự phòng cho máy biến áp 45
3.5.1 Bảo vệ quá dòng cắt nhanh (50) 45
3.5.2 Bảo vệ quá dòng cắt nhanh thứ tự không (50N) 45
3.5.3 Bảo vệ quá dòng có thời gian (51) 45
3.5.4 Bảo vệ quá dòng thứ tự không có thời gian (51N) 46
3.6 Phương thức bảo vệ cho máy biến áp 46
3.6.1 Lựa chọn phương thức bảo vệ 46
3.6.2 Lựa chọn loại rơle sử dụng 47
CHƯƠNG 4: GIỚI THIỆU TÍNH NĂNG VÀ THÔNG SỐ CÁC LOẠI RƠLE SỬ DỤNG 49
4.1.Giới thiệu chung về rơle số 49
4.2.Hợp bộ so lệch bảo vệ chính cho máy biến áp 50
4.2.1 Giới thiệu Rơle so lệch Siemens 7UT513 50
4.2.2 Các thông số kỹ thuật của Rơle 7UT513 51
4.2.2.1 Đầu vào tương tự 51
4.2.2.2 Nguồn điện thao tác 52
4.2.2.3 Đầu vào nhị phân 52
4.2.2.4 Đầu ra nhị phân 52
4.2.2.5 Các tiếp điểm tín hiệu 53
4.2.2.6 Hiển thị LEDS 53
4.2.2.7 Các kênh giao tiếp 53
4.2.3 Nguyên lý làm việc của 7UT513 54
4.2.4 Chức năng bảo vệ so lệch của 7UT513 56
4.2.4.1 Giới thiệu các tính năng bảo vệ được tích hợp trong Rơle 7UT513 56
4.2.4.2 Bảo vệ so lệch máy biến áp 59
4.2.4.3 Chức năng bảo vệ chống chạm đất hạn chế (REF) của 7UT513 63
123docz.net - File bi loi xin lienhe: lethikim34079@hotmail.com hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 74.2.4.4 Chức năng bảo vệ chống quá tải 64
4.3.RƠLE HỢP BỘ QUÁ DÒNG BẢO VỆ DỰ PHÒNG CHO MÁY BIẾN ÁP 65
4.3.1 Giới thiệu về rơle SEL-551 65
4.3.2 Các thông số kĩ thuật của rơle SEL-511 66
4.3.3 Các chức năng của bảo vệ SEL-551 70
4.3.3.1 Bảo vệ quá dòng cắt nhanh 70
4.3.3.2 Chức năng điều khiển logic 72
4.3.3.3 Các cổng giao tiếp 74
CHƯƠNG 5: TÍNH TOÁN CÁC THÔNG SỐ VÀ KIỂM TRA SỰ LÀM VIỆC CỦA BẢO VỆ 76
5.1 Cài đặt các chức năng bảo vệ dùng rơle 7UT513 76
5.1.1 Khai báo thông số máy biến áp 76
5.1.2 Chức năng bảo vệ so lệch có hãm 78
5.2 Cài đặt các chức năng bảo vệ dùng rơle SEL-551 83
5.2.1 Bảo vệ quá dòng dự phòng phía 110kV 83
5.2.1.1 Quá dòng cắt nhanh (50) 83
5.2.1.2 Quá dòng cắt nhanh có thời gian (50N) 83
5.2.1.3 Bảo vệ quá dòng có thời gian (51) 84
5.2.1.4 Bảo vệ quá dòng thứ tự không có thời gian (51N) 84
5.2.2 Bảo vệ quá dòng dự phòng phía 23kV 85
5.2.2.1 Bảo vệ quá dòng có thời gian (51) 85
5.2.2.2 Bảo vệ quá dòng thứ tự không có thời gian (51N) 85
5.2.3 Bảo vệ quá dòng dự phòng phía 15.75kV 86
5.2.3.1 Bảo vệ quá dòng có thời gian (51) 86
5.2.4 Các thông số cài đặt cho rơ le SEL-551 86
5.2.4.1 Các thông số cài đặt cho rơ le SEL-551 cấp 110kV 87
5.2.4.2 Các thông số cài đặt cho rơ le SEL-551 cấp 23kV 88
5.3 Kiểm tra sự làm việc của các bảo vệ 88
5.3.1 Kiểm tra bảo vệ so lệch 88
5.3.1.1 Kiểm tra độ an toàn của bảo vệ so lệch 88
5.3.1.2 Kiểm tra độ nhạy của bảo vệ so lệch 91
5.3.2 Kiểm tra bảo vệ so lệch dòng thứ tự không 93
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 8DANH SÁCH CÁC HÌNH VẼ
Bảng 2 1 Tổng kết dòng điện ngắn mạch qua các BI trường hợp máy biến áp làm việc
Bảng 2 2 Tổng kết dòng điện ngắn mạch qua các BI trường hợp máy biến áp làm việc
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 9Bảng 5 5 Các thông số cài đặt cho SEL - 551 86
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 10DANH SÁCH CÁC BẢNG
Bảng 1 1 Thông số tính toán lựa chọn thiết bị 2
Bảng 1 2 Thông số máy cắt 3
Bảng 1 3 Thông số máy biến dòng điện (BI) 3
Bảng 1 4 Thông số máy biến điện áp (BU) 4
Bảng 1 5 Các số liệu cần thiết phục vụ cho tính toán bảo vệ 4
Bảng 2 1 Tổng kết dòng điện ngắn mạch qua các BI trường hợp máy biến áp làm việc trong chế độ SNmax 24
Bảng 2 2 Tổng kết dòng điện ngắn mạch qua các BI trường hợp máy biến áp làm việc trong chế độ SNmin 36
Bảng 3 1 Các loại hư hỏng và bảo vệ tương ứng dùng cho máy biến áp 38
Bảng 5 1 Khai báo thông số cho cuộn cao 76
Bảng 5 2 Khai báo thông số cho cuộn trung 77
Bảng 5 3 Khai báo thông số cho cuộn hạ 78
Bảng 5 4 Khai báo thông số cho bảo vệ so lệch có hãm 81
Bảng 5 5 Các thông số cài đặt cho SEL - 551 86
Bảng 5 6 Thông số cài đặt cho SEL - 551 cấp 110kV 87
Bảng 5 7 Thông số cài đặt cho SEL - 551 cấp 23kV 88
Bảng 5 8 Thông số cài đặt cho SEL - 551 cấp 15.75kV 88
Bảng 5 9 Kết quả kiểm tra hệ số an toàn của bảo vệ 91
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 11Khóa luận tốt nghiệp Nguyễn Minh Hoàng
CHƯƠNG 1: MÔ TẢ ĐỐI TƯỢNG ĐƯỢC BẢO VỆ VÀ THÔNG SỐ CHÍNH
1.1.Mô tả đối tượng
Đối tượng được bảo vệ là trạm biến áp 115/23/15.75 kV có hai máy biến áp
(MBA) có công suất 63 MVA được cung cấp từ một nguồn hệ thống điện
1.2.Thông số chính 1.2.1 Hệ thống điện
Máy cắt điện được chọn theo điều kiện sau:
hoặc bằng điện áp của lưới điện)
hơn hoặc bằng dòng điện làm việc cưỡng bức của mạch)
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 12Khóa luận tốt nghiệp Nguyễn Minh Hoàng
phải lớn hơn dòng ngắn mạch xung kích qua nó)
hoặc bằng dòng điện ngắn mạch hiệu dụng toàn phần lớn nhất) Trong đó :
Bảng 1 1 Thông số tính toán lựa chọn thiết bị
Cấp điện áp (kV)
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 13Khóa luận tốt nghiệp Nguyễn Minh Hoàng
Bảng 1 2 Thông số máy cắt
Cấp điện áp (kV)
Thông số máy cắt
Kiểu máy cắt
Chủng
Iđm(kA)
Icắt(kA)
Idđ(kA)
Điện áp xung (kV)
biến dòng phải lớn hơn hay bằng tổng trở thứ cấp BI)
ngắn mạch)
Chọn máy bến dòng điện do công ty thiết bị điện chế tạo:
Bảng 1 3 Thông số máy biến dòng điện (BI)
Máy biến
Dòng điện sơ cấp
Dòng điện thứ cấp
Cấp chính xác
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 14Khóa luận tốt nghiệp Nguyễn Minh Hoàng
1.3.3 Máy biến điện áp
Máy biến điện áp được chọn theo điều kiện sau:
Cấp chính xác: Phù hợp với yêu cầu của dụng cụ đo
Bảng 1 4 Thông số máy biến điện áp (BU)
Cấp điện áp (kV)
Thông số BU
Công suất cực đại
(kA)
Điện áp sơ cấp (V)
Điện áp thứ cấp
(V)
Cuộn thứ cấp phụ
1.4 Các số liệu cần thiết phục vụ cho tính toán bảo vệ
Bảng 1 5 Các số liệu cần thiết phục vụ cho tính toán bảo vệ
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 15Khóa luận tốt nghiệp Nguyễn Minh Hoàng
CHƯƠNG 2: TÍNH TOÁN NGẮN MẠCH PHỤC VỤ BẢO VỆ RƠLE
2.1.Mục đích tính toán ngắn mạch
Tính toán ngắn mạch tại các vị trí trên sơ đồ nhằm tìm ra dòng ngắn mạch max và min đi qua các vị trí đặt bảo vệ, phục vụ cho việc chỉnh đỉnh và kiểm tra sự làm việc của các bảo vệ Để tìm ra dòng ngắn mạch chạy qua các BI phục vụ cho bảo, ta xét hai chế độ
Nếu tính toán ngắn mạch theo cách bình thường thì chúng ta phải tính toán hết những giá trị ngắn mạch trong những trường hợp sau:
2.2.Xét điểm tính toán ngắn mạch
Xét trạm ta dùng bảo vệ so lệch làm bảo vệ chính và bảo vệ quá dòng, bảo vệ chống chạm đất làm bảo vệ dự phòng
Đối với bảo vệ so lệch (87)
Để cài đặt dòng khởi động bảo vệ so lệch được dựa trên dòng ngắn mạch lớn nhất ngoài vùng bảo vệ ( I ngắn mạch 3 pha)
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 16Khóa luận tốt nghiệp Nguyễn Minh Hoàng Để kiểm tra độ nhạy của bảo vệ so lệch được tính dựa trên dòng ngắn
Đối với bảo vệ quá dòng cực đại
Để cài đặt dòng khởi động bảo vệ quá dòng cực đại được tính dựa trên
tải )
Để kiểm tra độ nhạy của bảo vệ quá dòng cực đại được tính dựa trên dòng
Đối với bảo vệ cắt nhanh
Để cài đặt dòng khởi động bảo vệ cắt nhanh được tính dựa trên dòng ngắn
Để kiểm tra bảo vệ được tính tỉ lệ vùng bảo vệ cắt nhanh
2.3.Các giả thiết cơ bản để tính ngắn mạch
Để thiết lập sơ đồ tính toán ngắn mạch, ta sử dụng một số giả thiết liên quan tới thành lập sơ đồ thay thế tính toán ngắn mạch như sau:
Tần số của hệ thống không thay đổi Bỏ qua phụ tải khi tính toán ngắn mạch
Mạch từ không bị bão hòa Khi đó mạch điện chỉ phi tuyến nên có thể áp dụng nguyên lý xếp chồng trong tính toán
Bỏ qua các đại lượng nhỏ trong thông số của một số phần tử:
Hệ thống có sức điện động ba pha đối xứng
Các tính toán thực hiện trong hệ đơn vị tương đối định MBA
2.3.1 Chọn các đại lượng cơ bản
Sơ đồ thay thế đẳng trị của các dòng điện thành phần
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 17Khóa luận tốt nghiệp Nguyễn Minh Hoàng Ucb = Utb
Ucb2-1 =23 KV phía trung áp Ucb2-2 =15,75 KV phía trung áp
√3∗23 = 1.58165 𝐾𝐴 Icb2-2= 𝑠𝑐𝑏
Điện áp ngắn mạch phần trăm của cuộn dây máy biến áp được tính theo công thức sau:
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 18Khóa luận tốt nghiệp Nguyễn Minh Hoàng
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 19Khóa luận tốt nghiệp Nguyễn Minh Hoàng
a) Thứ tự thuận:
Hình 2 1 Sơ đồ ngắn mạch thay thế thứ tự thuận
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 20Khóa luận tốt nghiệp Nguyễn Minh Hoàng
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 21Khóa luận tốt nghiệp Nguyễn Minh Hoàng
c) Thứ tự không:
Hình 2 3 Sơ đồ ngắn mạch thay thế thứ tự không
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 22Khóa luận tốt nghiệp Nguyễn Minh Hoàng
Các sơ đồ tính toán ngắn mạch Sơ đồ các điểm tính toán ngắn mạch:
Hình 2 4 Sơ đồ các điểm tính toán ngắn mạch
Sơ đồ thay thế thứ tự thuận, thứ tự nghịch và thứ tự không
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 23Khóa luận tốt nghiệp Nguyễn Minh Hoàng
Hình 2 5 Sơ đồ thay thế thứ tự thuận
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 24Khóa luận tốt nghiệp Nguyễn Minh Hoàng
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 25Khóa luận tốt nghiệp Nguyễn Minh Hoàng a) Ngắn mạch 3 pha
IN(3) = I1∑ = 𝐸
X1∑ = 1
0.018 = 55.556 Phân bố dòng qua các biến áp BI
Dòng điện thứ tự không đi từ hệ thống đến điểm ngắn mạch
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 26Khóa luận tốt nghiệp Nguyễn Minh Hoàng I0H(1.1)=INA0 * 𝑋0𝐵
0.01836+0.21 = -18.17 I0B(1.1) = INA0 – I0H(1.1) = -17.89 – (-18.17) = 0.28
Dòng ngắn mạch tổng của hệ thống cung cấp tới điểm ngắn mạch (pha A) INHT(1.1) = INA1 + INA2 + I0HT(1.1)
Vì ngắn mạch 2 pha chạm đất nên dòng ngắn mạch chính là dòng pha B (hoặc pha C) I(1.1)N∑HT = | INB | = | a2INA1 + aINA2 + I0H(1.1) |
Các thành phần dòng điện tại điểm ngắn mạch
X1∑+Xp = 1
0.018+0.0343 = 19.12 Dòng thứ tự không từ hệ thống về điểm ngắn mạch
0H = INA0 * 𝑋0𝐵
0.01836+0.13875 = 16.88 I0B(1) = INA0 – I0H(1.1) = 19.12 – 16.88 = 2.24
Dòng ngắn mạch từ hệ thống về điểm ngắn mạch X(1)N∑HT = INA1 + INA2 + I(1)
Dòng qua dây nối trung tính máy biến áp với đất
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 27Khóa luận tốt nghiệp Nguyễn Minh Hoàng I(1)
2.3.1.2 Ngắn mạch phía 23 KV
Hình 2 8 Sơ đồ thay thế thứ tự thuận ( nghịch E=0)
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 28Khóa luận tốt nghiệp Nguyễn Minh Hoàng
Hình 2 9 Sơ đồ thay thế thứ tự không
Điểm N2: IBI1 = IBI2 = IN(3) = 6.38 Dòng qua các biến dòng khác bằng 0
Điểm N’2: IBI1 = IN(3) = 6.38 Dòng qua các biến dòng khác bằng 0
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 29Khóa luận tốt nghiệp Nguyễn Minh Hoàng
I0H(1.1) = 0
Dòng qua dây trung tính máy biến áp với đất
I(1.1)0TTB = 3* INA0 = 3*(-3.3415) = -10.023 Phân bố dòng qua các BI
Dòng qua các BI khác bằng không
Điểm N2’: IBI1 = 5.76 IBI2 = 0
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 30Khóa luận tốt nghiệp Nguyễn Minh Hoàng Ở dạng ngắn mạch này các thành phần dòng điện và điện áp được viết cho pha A (pha A là pha ngắn mạch):
Điện kháng phụ
Các thành phần dòng điện tại điểm ngắn mạch
X1∑+Xp = 1
0.228+0.15675 = 2.599 Dòng thứ tự không từ hệ thống về điểm ngắn mạch
I(1)0H = 0
Dòng qua dây nối trung tính máy biến áp với đất I(1)
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 31Khóa luận tốt nghiệp Nguyễn Minh Hoàng
Hình 2 10 Sơ đồ thay thế thứ tự thuận ( nghịch E=0)
Hình 2 11 Sơ đồ thay thế thứ tự không
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 32Khóa luận tốt nghiệp Nguyễn Minh Hoàng a) Ngắn mạch 3 pha
IN(3) = I1∑ = 1
0.1655 = 6.042 Phân bố dòng qua các biến áp BI
Điểm N3: IBI1 = IBI3 = IN(3) = 6.042 Dòng qua các biến dòng khác bằng 0
Điểm N’3: IBI1 = IN(3) = 6.042 Dòng qua các biến dòng khác bằng 0
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 33Khóa luận tốt nghiệp Nguyễn Minh Hoàng = | (- 1
Các thành phần dòng điện tại điểm ngắn mạch
X1∑+Xp = 1
0.228+0.1655 = 2.541 Dòng thứ tự không từ hệ thống về điểm ngắn mạch
I(1)0H = 0
Dòng qua dây nối trung tính máy biến áp với đất I(1)
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 34Khóa luận tốt nghiệp Nguyễn Minh Hoàng
Bảng 2 1 Tổng kết dòng điện ngắn mạch qua các BI trường hợp máy biến áp làm việc trong chế độ SNmax
Phía ngắn mạch
Điểm ngắn mạch
Dạng ngắn mạch
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 35Khóa luận tốt nghiệp Nguyễn Minh Hoàng N(1)
2.3.2 Máy biến áp làm việc SNmin
2.3.2.1 Ngắn mạch phía 110KV
Sơ đồ thay thế thứ tự thuận, thứ tự nghịch và thứ tự không
Hình 2 12 Sơ đồ thay thế thứ tự thuận ( nghịch E=0)
Hình 2 13 Sơ đồ thay thế thứ tự không
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 36Khóa luận tốt nghiệp Nguyễn Minh Hoàng
0.018+0.13875 = 0.0159
dòng ngắn mạch hai pha không chạm đất theo công thức: IN(2) = √3
2* IN(3)
IN(3) = I1∑ = 1
0.024 = 41.667 => IN(2) = √3
Phân bố dòng qua các biến dòng BI
Điểm N’1: IBI1 = IN(2) = 36.084 Dòng qua các biến dòng khác bằng 0
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 37Khóa luận tốt nghiệp Nguyễn Minh Hoàng
Dòng điện thứ tự không đi từ hệ thống đến điểm ngắn mạch I0H(1.1) = INA0 * 𝑋0𝐵
0.018+0.13875 = -15.86 I0B(1.1) = INA0 – I0H(1.1) = -17.918 – (-15.86) = -2.058
Vì ngắn mạch 2 pha chạm đất nên dòng ngắn mạch chính là dòng pha B (hoặc pha C):
I(1.1)N∑HT = | INB | = | a2INA1 + aINA2 + I0H(1.1) | = | (- 1
Các thành phần dòng điện tại điểm ngắn mạch
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM1062413069:03:59 PM9:03:59 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM106Thursday, June 13, 20249:04:00 PM9:04:00 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 38Khóa luận tốt nghiệp Nguyễn Minh Hoàng
X1∑+Xp = 1
0.024+0.0399 = 15.65 Dòng thứ tự không từ hệ thống về điểm ngắn mạch
0H = INA0 * 𝑋0𝐵
0.018+0.13875 = 13.853 I0B(1) = INA0 – I0H(1.1) = 15.65 – 13.853 = 1.797
Dòng ngắn mạch từ hệ thống về điểm ngắn mạch X(1)N∑HT = INA1 + INA2 + I(1)
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 39Khóa luận tốt nghiệp Nguyễn Minh Hoàng
Hình 2 14 Sơ đồ thay thế thứ tự thuận ( nghịch E=0)
Hình 2 15 Sơ đồ thay thế thứ tự không
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024
Trang 40Khóa luận tốt nghiệp Nguyễn Minh Hoàng
dòng ngắn mạch hai pha không chạm đất theo công thức: IN(2) = √3
2* IN(3)
IN(3) = I1∑ = 1
0.16275 = 76.144 => IN(2) = √3
Phân bố dòng qua các biến dòng BI
Điểm N2: IBI1 = IBI2 = IN(3) = 5.32 Dòng qua các biến dòng khác bằng 0
Điểm N’2: IBI1 = IBI2 = IN(3) = 5.32 Dòng qua các biến dòng khác bằng 0
I0H(1.1) = 0 Phân bố dòng qua các BI
106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM106Thursday, June 13, 20249:04:01 PM9:04:01 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM106Thursday, June 13, 20249:04:02 PM9:04:02 PM
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troihghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troi
106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM106Thursday, June 13, 20249:04:04 PM9:04:04 PM
106hghieh euu ahh huohg euc hohg do melcmih formchdehyde deh tihh ehat euc vah dah bieh tihh xu duhg hgoai troiThursday, June 13, 2024