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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

ZF5T-72.5/126/145 GIS

Description
Gas Insulated Switchgear (GIS) is 3-phase AC high voltage switchgear which is used for the control, measurement, protection and switching of transmission lines. Since 1984, more than 5000 bays have been in service, some exported to Thailand, Equatorial Guinea and other countries.
ZF5T -72.5/126/145 GIS contains major substation equipments, such as circuit breaker, disconnector, earthing switch, voltage transformer, current transformer and surge arrester. All components are three-phase in one closure.
Main Features
1.       The mechanism is oil/gas free, simple construction, easy maintenance and reliable operation.
2.       The enclosure is made of aluminum alloy to ensure light weight, low temperature-rise and strong anti-corrosion..
3.       Double sealing systems are adopted to guarantee high reliability in gas tightness and the annual gas leakage rate is leaa than 0.5%.
4.       Excellent insulating, conducting and current carrying performances.

Technical Parameters

Specifications
Unit
Value
Rated voltage
kV
72.5
126
145
Rated current
A
2000/3150
Rated frequency
Hz
50/60
Rated short-time withstand current (r.m.s)
kA
40
Rated peak withstand current
kA
100/104
1min rated power frequency withstand voltage (r.m.s)
To earth & between pole
kV
140
230
275
Across isolating distance
kV
160
265
315
Rated lightning impulse withstand voltage (peak)
To earth & between pole
kV
325
550
650
Across isolating distance
kV
375
630
750
Rated SF6 gas pressure(20℃)
CB compartment
MPa
0.5
Others
MPa
0.4
Rated SF6 annual leakage
%
≤0.5

 

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暂未实现,敬请期待
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