本文对大电流整流柜元件的爆炸烧毁的原理及采用的保护方式进行了探讨，并详细介绍了电弧光保护系统的保护原理以及它在大电流整流柜上的应用。
The paper discusses the explosion and burning out of heavy current rectifier and its protection. And it introduces the arc protection system and its application in heavy current rectifier as well.
在线路发生弧光短路时，也能快速实现保护。
When the arc short circuit happens, this way can also give fast protection.
该继电器具有保护弧光电阻及适用于带串联补偿电容线路的正、反向动态特性曲线。
The dynamic characteristic of the relay increases its tolerance to fault arcing resistance and it can be used on transmission lines with capacitance compensation.
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