40.5 kV 1600 A 31.5 kA G.I.S
1
|
Rated Voltage
|
kVrms
|
40.5
|
2
|
Rated Current
|
Arms
|
1600
|
3
|
Rated frequency
|
Hz
|
50/60
|
4
|
Rated short-circuit breaking current
|
kArms
|
31.5
|
5
|
Rated short time making current
|
kApeak
|
80
|
6
|
Rated short time withstand current(4 s)
|
kArms
|
31.5
|
7
|
Rated power-frequency withstand Voltage
|
kVrms
|
95/110
|
8
|
Rated Lightning impulse withstand Voltage
|
kVpeak
|
185/215
|
9
|
Opening time
|
ms
|
40
|
10
|
Closing
|
ms
|
60
|
11
|
Breaker time
|
ms
|
< 60
|
12
|
Rated operating sequence
|
-
|
O-0.3 s-CO-180 s-CO
|
13
|
Short-line fault breaking current(L75/L90)
|
kArms
|
NA
|
14
|
Rated out-of-phase breaking current
|
kArms
|
7.9
|
15
|
Rated line-charging breaking current
|
Arms
|
NA
|
16
|
Rated cable-charging breaking current
|
Arms
|
50
|
17
|
Rated gas pressure (20 ℃)
|
MPa
|
0.08
|
18
|
SF6 leakage rate
|
%/year
|
0.5
|
19
|
Operation mechanism for breaker
|
-
|
spring motor-wound
|