《10kV电流互感器变比的选择.txt》由会员分享，可在线阅读，更多相关《10kV电流互感器变比的选择.txt（9页珍藏版）》请在三一文库上搜索。
1、10kV 10kV10kV籣鲻10kV籣630kVA(10kV36.4A)50/5GL, 籣10kV:; 籣; mjsmb1; ; 10kV,10kV (GBJ63-90)涨70%100%,: N=I1RT /(0.7*5); I1RT -, A N- ,4001600kVA, 400kVA I1RT =23A N=6.6 40/5=8 500kVA I1RT =29A N=8.3 50/5=10 630kVA I1RT =36.4A N=10.4 75/5=15 800kVA I1RT =46.2A N=13.2 75/5=15 1000kVA I1RT =57.7A N=16.5 100/
2、5=20 1250kVA I1RT =72.2A N=20.6 150/5=30 1600kVA I1RT =92.4A N=26.4 150/5=30 , 630kVA,1550/5=10,3.64/5=72.8%630kVA50/5,粿迹, 籣 裺(1) (2) 3GL-114220V 1B,C200,100,50MVA 1. : IDZJ=Kk*Kjx*Kgh*I1RT/(Kh*N) IDZJ-;. Kk -,1.3 Kjx -,1 Kgh - Kh-,0.85 a. ,綯,Kgh2,N=Kk*Kjx*Kgh*I1RT/(Kh* IDZJ)GL-11/10410A Kgh=2 400kV
3、A I1RT =23A N=7.0 40/5=8 IDZJ9A 500kVA I1RT =29A N=8.9 50/5=10 IDZJ9A 630kVA I1RT =36.4A N=11.1 75/5=15 IDZJ8A 800kVA I1RT =46.2A N=14.1 75/5=15 IDZJ10A 1000kVA I1RT =57.7A N=17.6 100/5=20 IDZJ9A 1250kVA I1RT =72.2A N=22.1 150/5=30 IDZJ8A 1600kVA I1RT =92.4A N=28.3 150/5=30 IDZJ10A :NS b.,迼綯, ,Kgh3,
4、N=Kk*Kjx*Kgh*I1RT/(Kh* IDZJ) Kgh=3 400kVA I1RT =23A N=10.6 75/5=15 IDZJ8A 500kVA I1RT =29A N=13.3 75/5=15 IDZJ9A 630kVA I1RT =36.4A N=16.7 100/5=20 IDZJ9A 800kVA I1RT =46.2A N=21.2 150/5=30 IDZJ8A 1000kVA I1RT =57.7A N=26.5 150/5=30 IDZJ9A 1250kVA I1RT =72.2A N=33.1 200/5=40 IDZJ9A 1600kVA I1RT =92.
5、4A N=42.3 250/5=50 IDZJ9A : NS, ,Km1.5 : 2. GL-11/10 : IDZJS=Kk*Kjx* IA3max/N; NS= IDZJS /IDZJ; NS2345678910; IDZJS-籣; NS-; Kk -,1.5 Kjx -,1 IA3max - 水仯 a. BSDB200MVA 1Kgh=2 ,NS 400kVA IA3max=518A N=8 IDZJ9A IDZJS =97A NS=97/9=10.88 500kVA IA3max=636A N=10 IDZJ9A IDZJS =95.4A NS=95.4/9=10.68 630kVA
6、IA3max=699A N=15 IDZJ8A IDZJS =69.9A NS=69.9/8=8.78 800kVA IA3max=854A N=15 IDZJ10A IDZJS =85.4A NS=85.4/10=8.58 1000kVA IA3max=1034A N=20 I DZJ9A IDZJS =77.6A NS=77.6/9=8.68 1250kVA IA3max=1232A N=30 IDZJ8A IDZJS =61.6A NS=61.6/8=7.78 500kVA IA3max=604A N=10 IDZJ9A IDZJS =90.6A NS=90.6/9=10.18 630kVA IA3max=660A N=15 IDZJ8A IDZJS =66A NS=66/8=8.258 800kVA IA3max=796A N=15 IDZJ10A IDZJS =79.6A NS=79.6/10=7.968 500kVA IA3max=547A N=10 IDZJ9A IDZJS =82A NS=82/9=9.18 630kVA IA3max=593A N=15 IDZJ8A IDZJS =59.3A NS=59.3/8=7.4棬1994滮 1984