漏电开关在机械设备应用中的故障分析  

Failure diagnosis and anlaysis of mechanical equipment on an electrical leakage switch

作　　者：王志金[1] 贾素梅[1] 贾国良[1] 

机构地区：[1]河北建筑科技学院,河北邯郸056038

出　　处：《煤矿机械》2002年第8期76-78,共3页Coal Mine Machinery

摘　　要：分析了漏电开关在机械设备应用中的常见故障 ,并介绍了处理方法 。In this paper,by means of analyzing the common mechanical failures,which resulted from the switch being leakage of electricity,several measures to fix a breakdown are introduced.Therefore,It is recommended that the reasons of the failure can be found by determining whether vector sum of threephase electric current going through the switch is zero or not.

关 键 词：漏电开关 机械设备 故障分析 安全用电 接地保护 电网 接零保护 

分 类 号：TM77[电气工程—电力系统及自动化]