高压断路器绝缘试验.pdf
- baixue100个人认证 |
- 2018-03-25 发布|
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- 24页
SF6 LW15-252 SF6 LW15-252 SW6-110 SW6-110 DW2-35 DW2-35 ZN65-12 ZN65-12
SF6
SF6
GIS
GIS 110kV 110kV 35 kV 35 kV SF6 SF6 110kVGIS 110kVGIS 10~300H GB 10~300H GB Z Z IEC IEC Q Q CC +C CC +C I U /Z X 1 I U /Z X 1 X Cx X Cx Z Z Z Z I U C L C I U C L C X X X X L 1/ C L 1/ C 1/ 1/ Q LC Q QU /U QU /U T 1 T f 2π LC 500kV 500kV 1800pF 1800pF 450H 450H 1000pF 1000pF 612kV 612kV CC +C 1800/2*3+1000 3700pF CC +C 1800/2*3+1000 3700pF X 1 X 1 L 4*50 200H L 4*50 200H 1 1 f 2π LC 2 *3.14 200 *3700* ?12 10 10000 185.1Hz 6.28 74 I UC IX UCX X X 3 ?12
I 612 *10 *6.28 *185.1*2700 *10 x
I 1.92A x f 356Hz f 356Hz f 212.8Hz f 258.5Hz
CT
CT 30Hz 30Hz 1 cmax 2 ≈140000pF π 2 f min L 1 1 2 2 3 3 80%~110% 80%~110% 65%~120% 65%~120% 30% 30% 1. 1. 2. 2. 3. 3. 4. 4. RC RC 5ms3ms 5ms3ms 3ms 3ms 2ms 2ms 35 35
GIS
GIS