摘要
文中简单介绍了直流系统的重要性及其发生接地故障的危害,重点对某厂一起220 V直流系统接地故障现象进行分析,运用拉回路法查找处理,有效将故障排除,并总结了故障查找的方法以及相关注意事项。
The importance of DC system and the harm of grounding fault were introduced in this paper.This paper focused on the analysis of a 220 V DC system grounding phenomenon in a factory,and applied the pull back method to find and process,effectively eliminated the faults,and summarized the methods of fault finding and related matters needing attention.
作者
王成平
WANG Cheng-ping(Zhuhai Shenzhen Energy Hongwan Power Co. , Ltd. , Zhuhai 519060, Chin)
出处
《通信电源技术》
2017年第6期171-172,179,共3页
Telecom Power Technology
关键词
发电厂直流系统
接地故障
拉回路法
保护误动
direct current system of power plant l grounding fault
pull back road method
protection misoperation
