●Brief Description
GW27-800/1100 Disconnector, the first series of UHV a.c disconnector produced in China with the whole independent intellectual property rights, is self-developed by Pinggao. Especially, the rotating structure of its conducting rod has gained the national utility models patent of China.
●Main Features
1 Higher stability and reliability.
2 Excellent current carrying capacity.
3 Enhance anti-corrosive performance.
4 Easy installation and adjustment.
●Technical Parameters
Specifications
|
Unit
|
Value
|
Rated voltage
|
kV
|
800
|
1100
|
Rated current
|
A
|
5000
|
4000
|
Rated frequency
|
Hz
|
50/60
|
Rated short-time withstand current (r.m.s)
|
kA
|
63
|
63
|
Rated peak withstand current
|
kA
|
170
|
160
|
1min power frequency withstand voltage (r.m.s)
|
To earth/Between phases
|
kV
|
960
|
1100
|
Across isolating distance
|
kV
|
960+(320)
|
1100+(635)
|
Lightning impulse withstand voltage (peak)
|
To earth/Between phases
|
kV
|
2100
|
2400
|
Across isolating distance
|
kV
|
2100+(460)
|
2400+(900)
|