Nghiên Ứu Ấu Trú Và Hiệu Quả Nâng Ao Ổn Định Hệ Thống Điện Ủa Thiết Bị Tự Động Điều Hỉnh Kíh Từ. Phân Tíh Ảnh Hưởng Ủa Hiều Dài Đường Dây Đến Ổn Định Hệ Thống Điện.pdf

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    1.2.   10  1.2.4.             14 20     : N           23  23  23   fgh 23  f   23  24  24 2 24 2.3  24  24  24  24 i    25 2.4  25  27  28  30   36  37  37  40 :                 43    43    43        -máy phát) 43 3.2.2     47  51   53  55  64  67  77  79  80 ii             iii   U       MBA    PTVP    DC     AC         iv                 t                                                  19    19       22  25         26         27  27      28 Hình 2.6  29  31   34  36           37   F 41   44 Hình 3.2  47 49       Hình 3.4  49 Hình 3.5 Khâu qn tính 51 Hình 3.6  52 Hình 3.7   52 Hình 3.8     53 Hình 3.9  54 Hình 3.10  = 200km, l2 = 250km 64 v   Hình 3.11  = 300km, l2 = 350km 65 Hình 3.12  = 350km, l2 = 400km 65 Hình 3.13  = 400km, l2 = 450km 66 Hình 3.14  = 450km, l2 = 550km 66 Hình 3.15  67 Hình 3.16  1U = 3,6 68 Hình 3.17  1U = 10 69 Hình 3.18  1U = 15 69 Hình 3.19  1U = 25 70 Hình 3.20  1U = 35 70 Hình 3.21  1U 71 Hình 3.22  L = 0,1s 72 Hình 3.23  L = 0,05s 72 Hình 3.24  L = 0,03s 73 Hình 3.25 L 73 Hình 3.26  J = 5s 74 Hình 3.27  J = 10s 75 Hình 3.28  J = 15s 75 Hình 3.29   J = 20s 76 Hình 3.30  J = 25s 76 Hình 3.31 J 77 vi                                                                                                                500 kV                                  phát      khi  : - :   -    - :    cô giáo t vii         viii   C  VÀ CÁC  PHÁ 1.1        1.1.1 S cn thit phn nh H thn                                                                                                                                                                       gây nên                                                                                                         nh H thn 1.1.2   a Các ch  ca H thn, khái nim v  Ch  làm vic ca H thc chia làm hai loi chính: Ch 