浅谈提高中性点经消弧线圈接地系统选线功能  

Study on Increasing the Neutral Point of Extinction by the Medium Voltage Distribution Network Alignment Function

作　　者：田巍 冯琳琳 宋晓亮 

机构地区：[1]本钢供电厂,辽宁本溪117001

出　　处：《本钢技术》2010年第1期33-35,共3页Bengang Technology

摘　　要：结合本钢板材股份有限公司供电厂10kV小电流接地系统改造情况,分析了供电厂所属变电所中性点接地系统故障选线正确率低的原因,提出了消弧线圈并联中电阻的方案,并分析了该方案的选线原理。Based on the modification conditions of lOkV low-current grounding system for the power plant of Bengang Steel Plates Co.,Ltd., we analyzed the reasons causing low accuracy ratio of neutral point grounding system failure wire selection for the substation of power plant, and provided the proposal regarding the resista nee in extinction coil parallel connection as well as analyzed the wire selection principle of this proposal.

关 键 词：消弧线圈 故障选线 并联中电阻 小电流接地 

分 类 号：TM63[电气工程—电力系统及自动化]