摘要
分析了煤矿6kV小电流接地系统中发生单相接地故障的特点及对供电系统造成的影响,介绍了WLD-6型小电流接地系统微机选线装置的工作原理、主要特点以及该装置在济宁三号煤矿的使用情况。
The paper has made an ana 6kV small current grounding system lys in is of the characteristics of single--phrase ground fault which occurred in collieries and its influence for power supply system. It has also introduced the working principle and main characteristics of WLD--6 Microcomputer Line Selection Device of small current grounding system, and its usage in Jining No. 3 Colliery.
出处
《江西煤炭科技》
2010年第1期63-64,共2页
Jiangxi Coal Science & Technology
关键词
煤矿供电
小电流接地系统
微机选线装置
接地故障
coal power supply
small--current grounding system
microcomputer line selection device
grounding fault
