小电流接地系统单相接地故障处理

Handling of Single-phase Grounding Fault in Small Current Grounding Systems

简述了电力系统小电流接地原理,系统发生单相接地危害,分析了发生单相接地的现象,故障判断方式方法,以及切除单相接地故障方法,操作切除故障点应注意的问题,以确保电力系统安全可靠平稳运行。

The principle of small current grounding system and the hazard of single-phase grounding were outlined.The phenomenon of single phase grounding was analyzed,the methods to determine fault and the ways to eliminate single-phase ground fault were put forward.The problems that should be paid attention during eliminating fault were also analyzed to ensure smooth,safe and reliable running of the electric power system.