Copyright ® Henan pinggao Electric Co.,Ltd 豫ICP备05010380号
Service
Company name: henan pinggao electric co. LTD
Address: Henan province of pingdingshan city
south ring road 22
Mail editor: 467000
E - mail : pinggao@pinggao.esgcc.com.cn
400-6700-312
If you need to consult other business, you can call the hotline directly.
General department: +86-375-3804029
Securities department: +86-375-3804064
Sales: +86-375-3803888
Customer service center: 400-6700-312
PRODUCTS
Brief Description
ZF27-1100 (L)/Y6300-50 GIS, developed independently by Pinggao for controling, measuring, protecting and transforming the electric transmission line, consists of circuit breaker, current transformer, disconnector, earthing switch, main busbar, incoming and outgoing line bushing and local control cabinet, etc. With rated voltage of 1100kV and rated current of 6300A, this type of GIS has been adopted in Jindongnan Substation of the first ultra-high voltage a.c demonstration project of China, which represents the pinnacle of similar products in the world.
Main Features
1 Voltage level is 1100kV.
2 High current carrying capacity with 8000A current of disconnector and busbar.
3 Excellent breaking capacity of 50kA breaking current.
Technical Parameters
Specifications
|
Unit
|
Value
|
|
Rated voltage
|
kV
|
1100
|
|
Rated current
|
A
|
6300
|
|
Rated frequency
|
Hz
|
50/60
|
|
Rated short-time withstand current (r.m.s)
|
kA
|
50
|
|
Rated peak withstand current
|
kA
|
135
|
|
1min rated power frequency withstand voltage (r.m.s)
|
To earth & between pole
|
kV
|
1100
|
Across isolating distance
|
kV
|
1100(+635)
|
|
Rated lightning impulse withstand voltage (peak)
|
To earth & between pole
|
kV
|
2400
|
Across isolating distance
|
kV
|
2400(+900)
|
|
Rated SF6 gas pressure(20℃)
|
CB compartment
|
MPa
|
0.65
|
Others
|
MPa
|
0.45
|
|
Rated SF6 annual leakage
|
%
|
≤0.5
|