变电站智能化直流系统接地故障定位分析  

Analysis of Grounding Fault Location in Intelligent DC System of Substation

作　　者：盛麟 SHENG Lin(State Grid Jiangsu Electric Power Co.,Ltd.Jiangyin Power Supply Branch,Jiangsu 214400,China)

机构地区：[1]国网江苏省电力有限公司江阴市供电分公司,江苏214400

出　　处：《电子技术（上海）》2023年第11期288-289,共2页Electronic Technology

摘　　要：阐述智能变电站直流系统接地故障原因与危害,探讨智能变电站直流系统接地故障检测方法,包括拉路法及负荷转移法、电桥法、信号注入法、接地漏电流检测法,提出直流系统故障的处理措施。This paper expounds the causes and hazards of grounding faults in the DC system of intelligent substations,explores the detection methods for grounding faults in the DC system of intelligent substations,including pull-through method,load transfer method,bridge method,signal injection method,and grounding leakage current detection method,and proposes measures for handling DC system faults.

关 键 词：变电站直流系统 接地检测 故障诊断 

分 类 号：TM63[电气工程—电力系统及自动化]