操作过电压保护器故障分析和防治方法

Analysis on the several accidents in operation of the switching surge over-voltage protectors and prevention measures

主要分析了包钢供电厂因操作过电压引起的几起过电压保护器故障原因 ,进一步阐述了Y型MOA过电压保护器和Y型R -C阻容保护器自身存在的技术问题 ,指出了操作过电压对设备的危害性 。

Causes of several accidents of the over-voltage protectors in operations is mainly introduced, and the original technical problems in Y type MOA over-voltage protector and Y type R-C protector are also mentioned. Finally, the harmfulness of the over-voltage operations to electrical equipment as well as how to prevent and solve it are pointed out.