保护器常见故障及其排除方法三河市供电局刘广礼，刘伟保护器维修并不难，笔者修理保安器多年，我体会首先要了解各种（电子电流型及电磁式）保护器的工作原理和各种内部结构特点，就可以利用直观法、手触摸怯、短路法及仪表测量法等查找故障点，现将常见故障及排除方法介... Protection of the common faults and their removal methods Sanli City Power Supply Bureau Liu Guangli, Liu Wei Protector repair is not difficult, I repair the security for many years, I understand the first to understand the various (electronic current and electromagnetic) protector works and A variety of internal structural features, you can use the intuitive method, hand-timid, short-circuit method and instrumentation to find fault points, etc., now common fault and troubleshooting methods ...