72.5 kV 2000 A 40 kA G.I.S
|
1
|
Rated Voltage
|
kVrms
|
72.5
|
|
2
|
Rated Current
|
|
2000
|
|
3
|
|
Hz
|
50/60
|
|
4
|
Rated short-circuit breaking current
|
kArms
|
40
|
|
5
|
Rated short time making current
|
kApeak
|
104
|
|
6
|
Rated short time withstand current(3 s)
|
kArms
|
40
|
|
7
|
Rated power-frequency withstand Voltage
|
kVrms
|
160
|
|
8
|
Rated Lightning impulse withstand Voltage
|
kVpeak
|
350
|
|
9
|
Opening time
|
ms
|
|
|
10
|
Closing time
|
ms
|
|
|
11
|
Breaker time
|
ms
|
< 50
|
|
12
|
Rated operating sequence
|
-
|
O-0.3 s-CO-180 s-CO
|
|
13
|
Short-line fault breaking current(L75/L90)
|
|
30/36
|
|
14
|
Rated out-of-phase breaking current
|
|
10
|
|
15
|
Rated line-charging breaking current
|
|
10
|
|
16
|
Rated cable-charging breaking current
|
|
125
|
|
17
|
Rated gas pressure
|
MPa
|
0.6
|
|
18
|
SF6 leakage rate
|
%year
|
< 0.5
|
|
19
|
Method operation
|
-
|
spring
|
72.5 kV GIS設備配置圖
