煤矿井下低压供电系统漏电故障的分析与处理  

Analysis and Treatment of Leakage Fault in Coal Mine Low Voltage Power Supply System

作　　者：李鹏 

机构地区：[1]河南能源义煤公司千秋煤矿,河南义马472300

出　　处：《煤矿机电》2016年第4期68-69,73,共3页Colliery Mechanical & Electrical Technology

摘　　要：介绍了煤矿井下低压馈电开关漏电保护装置所采用的漏电保护方式及其在线路发生漏电故障时的动作原理,分析研究了快速查找故障点的方法,提出了提高漏电保护可靠性和灵敏性的方法,最终保证了井下供电的安全性。Introduced the coal mine underground low voltage feeder switch leakage protection devices used in leakage protection way and in the line occurs leakage fault action principle and analysis quickly find the fault point method, is proposed to improve the method of leakage protection of the reliability and sensitivity, and ultimately ensure the safety of underground power supply.

关 键 词：馈电开关 漏电保护装置 零序电流互感器 漏电故障 

分 类 号：TD611.5[矿业工程—矿山机电]