252 kV 4000 A 50 kA G.I.S
1 |
Rated Voltage
|
kVrms |
252 |
2 |
Rated Current
|
Arms |
4000 |
3 |
Rated Current
|
Hz |
50/60 |
4 |
Rated Short-Circuit Breaking Current
|
kArms |
50 |
5 |
Rated Peak Withstand Current
|
kApeak |
130 |
6 |
Rated Short-Time Withstand Current(3sec)
|
kArms |
50 |
7 |
Rated power frequency withstand voltage(1min)
|
kVrms |
460/605 |
8 |
Rated lightning impulse withstand voltage
|
kVpeak |
1050/1200 |
9 |
Opening Time
|
ms |
< 30 |
10 |
Closing Time
|
ms |
< 100 |
11 |
Breaking Time
|
ms |
< 50 |
12 |
CB Rated Operating Sequence
|
- |
O-0.3 s-CO-180 s-CO |
13 |
Rated Short-Line Fault Current(L75/L90)
|
kArms |
37.5/45 |
14 |
Rated Out-of-Phase Current
|
kArms |
12.5 |
15 |
Rated Line-Charging Breaking Current
|
Arms |
125 |
16 |
Rated Line-Charging Breaking Current
|
Arms |
250 |
17 |
RatedSF6Gas Pressure (20℃)
|
MPa |
0.6 |
18 |
Rated SF6 Gas Leakage
|
%/year |
< 0.5 |
19 |
Type of Operating Mechanism(CB)
|
- |
Spring Type |
252kV GIS設備單線圖

252kV GIS設備配置圖
