一起串供方式下配电自动化线路单相接地误动作分析  

The Analysis of Single-Phase Grounding Malfunctions of Distribution Automation Lines in the String Supply Mode

作　　者：周云 张佳 朱江渝 侯超 马海涛 ZHOU Yun;ZHANG Jia;ZHU Jiang-yu;HOU Chao;MA Hai-tao(Zhenjiang Power Supply Branch,State Grid Jiangsu Electric Power Co.,Ltd,Zhenjiang 212000,China)

机构地区：[1]国网江苏省电力有限公司镇江供电分公司,江苏镇江212000

出　　处：《电工电气》2023年第11期45-49,共5页Electrotechnics Electric

摘　　要：分析了一起串供方式下配电线路单相接地馈线自动化动作电网事故,复现了电网事故发生时候电网运行方式及保护动作过程,针对单相接地故障发生时配电自动化就地型线路选线原理进行了解析,并提出了在串供方式下配电网线路中配电自动化线路调度运行关键事项及注意要点。The paper analyzes a single-phase grounding feeder automation accident occurring to distribution lines in the string supply mode.It first reappears the power grid operation and corresponding protective actions in the process of the accident.Then,local line selection of distribution automation during the period of a single-phase grounding fault is analyzed.Finally,the key items and attention points of distribution automation lines scheduling in the string supply mode are put forward.

关 键 词：串供线路 配电线路 单相接地 馈线自动化 

分 类 号：TM762.25[电气工程—电力系统及自动化]