40.5 kV 1600 A 31.5 kA G.I.S

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