10kV配网线路接地故障分析  

Analysis of Grounding Faults in 10 kV Distribution Network Lines

作　　者：张伟贺 于洋 ZHANG Weihe;YU Yang

机构地区：[1]国网河南省电力公司三门峡市陕州供电公司,河南三门峡472000

出　　处：《今日自动化》2023年第12期80-82,共3页Automation Today

摘　　要：为提高供电的可靠性,目前我国的10kV配网系统,一般采用中性点不接地或经消弧线圈接地的小电流系统。当10kV配网系统出现接地故障时,配电系统设备、电网系统的安全运行、客户的用电可靠性及人身安全将会受到威胁。文章对10kV配网线路的接地故障进行分析,以期为相关人员提供参考。To improve the reliability of power supply,the current 10 kV distribution network systems in China generally adopt small current systems with ungrounded neutral points or grounded through arc suppression coils.When a grounding fault occurs in a 10 kV distribution network system,the safe operation of distribution system equipment,power grid system,customer electricity reliability,and personal safety will be threatened.The article analyzes the grounding faults of 10 kV distribution network lines,in order to provide reference for relevant personnel.

关 键 词：接地故障 小电流 安全 供电系统 

分 类 号：TM73[电气工程—电力系统及自动化]