1. In a10kV distribution system,when shunt ca-pacitors are switched off by vacuum circuit breakers,restrike overvoltage often occurs.
   电力系统中使用真空断路器切除无功补偿用并联电容器时,容易产生重燃过电压,严重影响并联电容的安全运行。
2. Die should contain a minimum of one idle station to accommodate future design considerations. i.e. restrike cam pierce etc.
   摸具应至少包含一个空站以适应未来的设计变更，回整，凸轮，冲孔等。
3. 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料磁环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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