69 kV 2000 A 25/40 kA G.I.S
Main technical data
| 1 |
Rated Voltage
|
kVrms |
69 |
| 2 |
Rated maximum Vottage
|
kVrms |
72.5 |
| 3 |
Rated frequency
|
Hz |
60 |
| 4 |
Rated Current
|
Arms |
2000 |
| 5 |
Rated short-circuit breaking current
|
kArms |
40 |
| 6 |
Rated short time withstand current(3s)
|
kArms |
40 |
| 7 |
Rated power-frequency withstand Voltage
|
kVrms |
160 |
| 8 |
Rated Lightning impulse withstand Voltage
|
kVpeak |
350 |
| 9 |
Rated breaking time
|
cycle |
5 |
| 10 |
Rated delay trip time
|
second |
2 |
| 11 |
Standard duty cycle for breaker
|
- |
CO-15sec-CO |
| 12 |
Standard duty cycle for breaker
|
- |
O-0.3sec-CO |
| 13 |
Rated pressure(20℃)
|
kgf/cm2.G |
6 |
| 14 |
SF6 leakage rate
|
% / year |
0.5 |
| 15 |
Control Vottage
|
DC(V) |
125 / 24 |
| 16 |
Operation mechanism for breaker
|
- |
spring |
69 kV GIS single line diagram
69 kV GIS structure diagram LINE BAY
69 kV GIS structure diagram TIE BAY
69 kV GIS structure diagram TR BAY
69 kV GIS structure diagram BPT BAY