一起直流瞬间消失导致110kV线路保护异常动作分析  

Analysis of a 110 kV Line Protection Abnormal Action for the Instantaneous Disappearance of DC

作　　者：申定辉 刘立石 王传林 卫龙 涂必柱 林超 SHEN Dinghui;LIU Lishi;WANG Chuanlin;WEI Long;TU Bizhu;LIN Chao(State Grid Lu’an Power Supply Company,Lu’an 237000,China)

机构地区：[1]国网六安供电公司,安徽六安237000

出　　处：《安徽电气工程职业技术学院学报》2024年第4期34-41,共8页Journal of Anhui Electrical Engineering Professional Technique College

摘　　要：文章介绍了一起因蓄电池瞬间开路导致110kV线路保护在无故障时异常动作的事故。通过分析具体的保护动作报文和故障录波,得出本次事故的原因,并提出针对性的防范措施,对现场设备运维、工程设计具有一定的借鉴意义。This paper describes an incident in which the 110 kV line protection behaves abnormally due to the instantaneous open circuit of the battery,despite there being no fault present.By analyzing the specific protection action messages and fault recordings,the cause of the incident is determined,and targeted preventive measures are proposed,which have certain reference significance for the on-site equipment operation and maintenance,as well as engineering design.

关 键 词：线路故障 直流消失 突变量启动 采集电压 

分 类 号：TM773[电气工程—电力系统及自动化]