煤矿高低压电网选择性漏电保护技术研究  

Research on Selective Leakage Protection Technology of Coal Mine High and Low Voltage Network

作　　者：张华 Zhang Hua(Electrical and mechanical management department of Datong Coal Mine Group,Shanxi Datong 037003)

机构地区：[1]大同煤矿集团机电管理处,山西大同037003

出　　处：《煤矿现代化》2019年第1期90-92,共3页Coal Mine Modernization

摘　　要：针对我国煤矿井下高压供电系统普遍存在的漏电越级跳闸问题,在分析高压漏电保护的实现方法和电力监控系统漏电保护原理的基础上,提出了高低压电网选择性漏电保护技术。该技术可实现准确可靠的高压选择性漏电保护,给煤矿安全生产和安全供电提供了技术保障。In response to the widespread problem of leakage across the high-voltage power supply system in coal mines,based on the analysis of the realization method of high voltage leakage protection and the principle of power leakage protection of power monitoring system,the selective leakage protection technology of high and low voltage power grid is proposed.The technology can achieve accurate and reliable high-voltage selective leakage protection,providing technical guarantee for safe production and safe power supply in coal mines.

关 键 词：漏电保护 高低压电网 漏电选线 

分 类 号：TM771[电气工程—电力系统及自动化]