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Copyright ® Henan pinggao Electric Co.,Ltd         豫ICP备05010380号

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

PRODUCT

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PRODUCTS

ZF27-800 GIS

Description

Brief Description

ZF27-800 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, bushing and surge arrester, etc. The interrupter of circuit breaker is designed as double-break structure, and the hydraulic operating mechanism avoids the oil leak and slow-opening at zero pressure.

 

With rated current of 5000A and rated short-circuit breaking current of 50kA, this kind of GIS have been adopted in Substation GuanTing of 750kV power transmission project in Northwest China.

 

Main Features

 1  All the hydraulic pipelines are set inside to avoid the leakage, which is domestic initiate.

2  High current carrying performance with the rated current of 5000A.

3  Excellent insulating level has achieved the high standard of DL/T593-2006.

4  High mechanical endurance and reliability.

 


Technical Parameters
Specifications
Unit
Value
Rated voltage
kV
800
Rated current
A
5000
Rated frequency
Hz
50/60
Rated short-time withstand current (r.m.s)
kA
50
Rated peak withstand current
kA
125
1min rated power frequency withstand voltage (r.m.s)
To earth & between pole
kV
960
Across isolating distance
kV
1270
Rated lightning impulse withstand voltage (peak)
To earth & between pole
kV
2100
Across isolating distance
kV
2100+(460)
Rated SF6 gas pressure(20℃)
CB compartment
MPa
0.6
Others
MPa
0.5
Rated SF6 annual leakage
%
≤0.5
Corresponding parameter set not found, please add it in property template of background
暂未实现,敬请期待
暂未实现,敬请期待
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