In a10kV distribution system,when shunt ca-pacitors are switched off by vacuum circuit breakers,restrike overvoltage often occurs.
电力系统中使真空断路器切除无功补偿并联电容器时,容易产生重燃过电压,严重影并联电容的安全运行。
In a10kV distribution system,when shunt ca-pacitors are switched off by vacuum circuit breakers,restrike overvoltage often occurs.
电力系统中使真空断路器切除无功补偿并联电容器时,容易产生重燃过电压,严重影并联电容的安全运行。
Multiple reignition makes the frequency and amplitude of overvoltage increase and might do harm to transformer coils by cumulative effects for its surge steepness.
多次重燃使得过电压频率和幅值均升高,会对变压器等绕组型设备绝缘造成危害。
It is showed that magnetic rings of amorphous material on a conductor can notably increase its inductance and make effective suppression on the steepness of the vacuum restriking overvoltage.
试验显示,在导线上套上一串非晶材能够显著增加线路电感,对减小真空开关重燃过电压的陡度是有效的。
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