Tiiu ban Mdi tru&ng vd Ndng lugng ISBN 978 604 913 013 7 VE GIAI PHAP VA THIET BI TIET KIEM DIEN NANG TRONG CHIEU SANG CONG C Q N G Tru ong Quoc Thanh, Du ong Duy Hoat, Nguyen Van Thanh Vu Thi Tuyet H[.]
Tiiu ban: Mdi tru&ng vd Ndng lugng ISBN: 978-604-913-013-7 VE GIAI PHAP VA THIET BI TIET KIEM DIEN NANG TRONG CHIEU SANG CONG C Q N G Tru-ong Quoc Thanh, Du-ong Duy Hoat, Nguyen Van Thanh Vu Thi Tuyet H6ng, Nguyen Van Thong Vien Khoa hgc nang lugng; 18 - Hoang Qudc Viet, Cau Giiy, Ha Ndi Email: thanhtq.nl(a)gmail.com Tom tat: Gidi thiiu khdi qudt mot sd gidi phdp di tiit kiim diin ndng cho chiiu sang cdng cdng Giai thiiu chi tiit ve gidi phdp sie dung ngudn diiu chinh cdng sudt tu ddng cho muc dich tiit kiim diin ndng chiiu sdng cdng cdng Abstract: General introduce about few solutions for the saving electrical energy in public lighting Introduce automatic power controler for electrical energy in public lighting NHU>fG VAN DE CHUNG Hien dien nang sir dung cho muc dich chieu sang chiem ty trgng kha ldn co cau tieu thu dien Ngoai viec ap dung cdng nghe chieu sang hieu suat cao de tiet kiem dien nang, thi mgt van de rat dugc quan tam la sir dung hgp ly cdng suat chieu sang cho phii hgp vdi nhu cau chieu sang Vao ban dem, mat giao thdng rat thap,viec tri 100%) cdng suat chieu sang la khdng can thiet Vi vay, viec tiet giam cdng suat chieu sang thdi gian la yeu cau bat budc ddi vdi chieu sang cdng cdng hien dai De giai quyet van de neu tren co the ap dung cac giai phap co ban sau: - Gidi phdp I: Sir dung chan luu hai miic cdng suat de giam cdng suat tieu thu cua den vao ban dem nhu cau chieu sang giam bdt Giai phap ap dimg thiet ke mdi cac dir an den dudng va phai dam bao chat lugng dien ap dn dinh LTu diem cho phep dieu khien tir xa, thiet bi ggn, tdn hao thap Nhugc diem la gia thiet bi cao, khdng dieu chinh dugc miic tiet kiem da dugc lap trinh san, chi phi sira chiia thay the cao - Gidi phdp 2: Sir dung chan luu phu mac them cho chan luu thudng de tao td hgp chan luu hai miic cdng xuat Giai phap cd the su dung cai tao cac tuyen den dudng dang boat ddng, phai dam bao chat lugng dien ap dn dinh LTu dilm gia ha; Nhugc diem: chi phi sira chira thay the cao, khdng dieu chinh dugc miic tilt kiem; - Gidi phdp 3: Dung bdng cdng suat nhd tren cot Day la giai phap don gian hieu qua tiet kiem cao, nhien chi phi dau tu cao - Gidi phdp 4: Sir dung tu dieu khien, tu ddng cat bdt mgt sd bdng den Day la giai phap tiet kiem hien dang ap dung phd bien cho chieu sang den dudng tai Viet Nam iTu diem: Gia thiet bi thap Nhugc diem: Tao nen nhirng khoang tdi tren mat dudng khdng dam bao an toan giao thdng va giam my quan thi 362 Hdi nghi Khoa hgc ky niem 35 ndm Viin Khoa hgc vd Cdng nghi Viet Nam - Hd Ndi 10/2010 Gidi phdp 5.- Dung thiet bi ngudn dilu chinh cdng suit tu ddng theo nhu ciu chilu sang LTu diem: Khdng dat bat cii dilu kien gi lip dat, dac biet cho viing cd dien ap khdng dn dinh hoac dien ap qua cao, qua thip; Den sang dn dinh diing thdng so ky thuat cua nha san suit cd dn ap tu ddng gdp phin tang tu6i thg den; Nhugc dilm: Gia thiet bi cao hon so vdi giai phap 2 THIET BI NGUON DIEU CHINH CONG SUAT TU DONG Trong qua trinh tim hieu nhu cau thuc tiln cua Viet Nam, chiing tdi nhan thiy giai phap hien thuc va phii hgp vdi dilu kien Viet Nam la sir dung thiit bi nguln dilu chinh cdng suit tu dong 2.1 Co SO" khoa hoc cua giai phap Dac tuyen den chieu sang cdng cdng loai Sodium cao ap cho so dd tren hinh aim 30KVA thi dimg thiit bi kilu bii cd Igi hon Vien Khoa hgc nang lugng da nghien ciiu ca loai thiit bi tren Ddi vdi loai thiit bi kilu dien tir ap dung thuc tl phai thao cac tu bu tren den va bu tap tmng trudc thiit bi, vi vay giai phap bi loai bd Doi vdi thiet bi dung biin ap tu nglu don thuin cd nhilu uu dilm vugt trdi so vdi kilu bu d cdng suit < 75 KVA -3 pha Dac biet hien da dimg ky thuat chia ddng mang tai qua hoac chdi than cho phep nang cao kha nang tai cua thiit bi Trong thuc tl cac tuyen den dudng chilu sang cd cdng suit phu tai phd biin < 75 KVA -3 pha phu hgp vdi tieu chuin nganh dien qui dinh ban kinh cung cip dien thi khdng qua 600 364 Hdi nghi Khoa hgc ky niem 35 ndm Viin Khoa hgc vd Cdng nghe Viet Nam - Hd Ndi 10/2010 m Vi vay ViJn khoa hgc nang lugng tap tmng nghien ciiu va thir nghiem loai thiit bi dimg bien ap tu ngau don thuan Nguyeri ly boat ddng: Thiet bi boat ddng tu dong theo nguyen ly biin ap dilu khiln co dien tir, ket hgp role thdi gian de giam dien ap va ddng dien dat vao den dan din giam cong suat tieu thu den 180V-200V 220V Phu tai (Jell OUT a) b) Hinh 3: Sa dd diiu khiin diin dp bdng biin dp theo nguyin ly bii a) vd biin dp tu ngdu b) 2.3 So nguyen ly thiet Bi kieu bien ap ty ngau Thiet bi dugc Vien Khoa hgc nang lugng nghien ciiu che tao va thir nghiem dau tien nam 2001 la loai KVA - pha cho 1km den dudng sir dung den Sodium 70 W tai thi xa Phii Thg Cac nam tiep theo da nghien ciiu che tao loai cdng suat 20-30 KVA- pha thir nghiem tai thi trin Quang Yen, tinh Quang Ninh (nam 2003-2004), Hul (2007) va Ha Noi (2008) Long An (2009) Trong qua trinh thir nghiem thuc te da nit dugc cac bai hgc kinh nghiem rat qui bau ve ket cau thiet bi va tinh nang ky thuat Hien thiet bi Vien KHNL che tao da hoan chinh ve cdng nghe va tinh nang ky thuat dap ling dugc yeu cau da dang cua thuc tien Vien da che tao dugc role ky thuat sd dieu khien tir xa bang Remote rat thuan tien cho viec thay ddi che thdi gian boat dgng, dac biet thich hgp cho cac thiet bi phai treo d vi tri cao 2.4 Tinh nang ky thuat ciia thiet bi Thiit bi che tao cho phep: (1) On ap tu ddng cho he thong chieu sang, tu ddng bat den trdi tdi va tu ddng tit den trdi sang; (2) Tu ddng giam cdng suat 20- 40%) vao ban dem Ro le thdi gian boat ddng chinh xac ke ca thdi gian mat dien khdng phai dat lai gid (3) Cd kha nang dilu chinh miic cdng suat theo yeu cau; Che chuyen miic cdng suat cham cho phep khic phuc hien tugng tat den d cac bdng den gia da bet tudi thg; Dilu khiln cai dat cbl thdi gian boat ddng ciia thiit bi bang dieu khien tir xa thdng dung ciia TV Tuy theo dai tuyin dudng va ldn phu tai ma cd cdng suat thiet bi phii hgp, dieu khien phu hgp 2.5 Hieu qua kinh te Bang trinh bay kit qua tinh toan hieu qua iing dung thiit bi tilt kiem dien nang cho tmdng hgp ban dem cdng suit nguon dien tang 5%, gia dien 1050 d/kWh Ket qua tinh toan cho thiy, hieu qua tilt kiem dien nang so vdi phuong an cat bdt 50%) so bdng den la tuong duong nhau, nhung hieu qua chilu sang ciia phuong an dung tu dieu khien tu dong la hon bin Ngoai ra, sir dung thiit bi tu ddng se dat dugc hieu qua kinh tl phu diing den d che 365 ISBN: 978-604-913-013-7 Tiiu ban: Mdi tru&ng vd Ndng lugng dien ap dn dinh khdng vugt qua dien ap dinh miic, se keo dai tudi thg ciia den; Giam bdt nhan cdng, khac phuc hien tugng bat, tat khdng diing thdi gian quy dinh ciia cdng nhan van hanh Bdng 1: Tinh hiiu qud ieng dung thiit bi tiit kiim diin ndng chiiu sdng Pha A Chi tieu PhaC PhaB Tdng Khi diing trirc tiep khong qua thiet bi dieu khien NAV-T 250 Loai den 15 15 15 45 Cdng suat bdng den (A) 250 250 250 250 Dien ap ngudn pha (V)= Udm +5%=231V 231 231 231 231 Coscp 0.85 0.85 0.85 0,85 Thdi gian thap sang / ( gid) 10,5 10,5 10,5 10,5 Tdng cdng suat tieu thu(kW) 3750 3750 3750 11250 Tieu hao dien nang (kWh/nam) 14372 14372 14372 43116 Tien dien tra hang nam (Trieu ddng) 17246 17246 17246 51739 Sd lugng (Cai) Khi sif dung thiet bi ttr dong dieu khien dat che giam cong suat: Dien nang 18h30-22h (100%C.suit)kWh/nam 4106 4106 4106 12319 Dien nang 22h- 5h (65% C.suit) kWh/nam 6159 6159 6159 18478 Tdng dien nang tieu thu (kWh/nam) 10266 10266 10266 30797 Sd tien dien tra hang nam (Trieu ddng) 12319 12319 12319 36956 Sd tien tiet kiem hang nam (Trieu ddng) 4928 4928 4928 14783 Hieu qua tiet kiem ve dien nang (%) 29% 29% 29% 29% Chi phi diu tu thiit bi 20 KVA (Trieu ddng) 30 Thdi gian thu hdi vdn dau tu (nam) 2,1 KET LUAN Viec lira chgn giai phap dimg thiet bi dieu chinh cdng suit tieu thu thdng qua dilu chinh dien ap pham vi dac tinh ciia den la giai phap khoa hgc cd hieu qua cao 366 Hdi nghi Khoa hgc ky niem 35 ndm Vien Khoa hgc vd Cdng nghi Viet Nam - Hd Ndi 10/2010 Hien nay, mdt sd nude tren the gidi da cd cac san pham va thiet bi tiet kiem dien nang cho chieu sang cdng cdng cd trinh cdng nghe hien dai Tuy nhien, gia cao, thdi gian thu hdi vdn lau dan den hieu qua kinh te thap Dac biet bi sir co ky thuat thi viec sira chiia khdi phuc gap nhieu khd khan, nen chua dugc trien khai iing dung d Viet Nam Thiet bj lap dat tai Long An Thiet bi lap dat tai Hue Hinh 4: Hinh dnh thiit bi ldp ddt tgi cdc dia phuang TAI LIEU THAM KHAO Catalog gidi thieu san phim ciia cdng ty Powertechnic Hdng Kdng 367 ... Nhugc dilm: Gia thiet bi cao hon so vdi giai phap 2 THIET BI NGUON DIEU CHINH CONG SUAT TU DONG Trong qua trinh tim hieu nhu cau thuc tiln cua Viet Nam, chiing tdi nhan thiy giai phap hien thuc... thdy: Tudi thg cua cac bdng den giam nhanh bi sir dung d miic dien ap cao hon dien ap dinh miic Trong he thdng dien chieu sang dudng phd dien ap cao thudng xay vao ban dem lam tudi thg cua bdng... dimg ky thuat chia ddng mang tai qua hoac chdi than cho phep nang cao kha nang tai cua thiit bi Trong thuc tl cac tuyen den dudng chilu sang cd cdng suit phu tai phd biin < 75 KVA -3 pha phu hgp