Guangdong Yufeng Industries Co., Ltd.
Guangdong Yufeng Industries Co., Ltd.

27kV Surge Arrester

It adopts a structure with a gap. During normal operation, the insulation gap bears the operating voltage, and the ZnO resistor does not bear the voltage, so there is no aging problem.

Installed and used in parallel with the insulator, the current flow performance is increased to 120kA, and the lightning protection level of the line is significantly improved. (Taking C1 and above multiple minefields as an example, the lightning trip rate was 8-12 times/(100km a) before the lightning protection transformation of the 35kV line. /100km a.)

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Specification of 27kV Medium Voltage Surge Arrester

Rated voltage17kV
Nominal discharge current10kA
2ms square wave current400A
1mA reference voltage25kV
4/10μs high current impulseUp to 120kA
Power frequency humidity tolerance voltageNot less than 13kV

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