飘挂物导致的特高压直流双极闭锁保护动作分析及防范建议  

Analysis of UHV Bipolar Block Caused by Floating Objects and Preventive Suggestions

作　　者：尹海涛 吕圣琦 雷庆山 YIN Haitao;LV Shengqi;LEI Qingshan(Guangzhou Bureau,CSGEHV Power Transmission Company,Guangzhou 510405,China)

机构地区：[1]中国南方电网超高压输电公司广州局,广东广州510405

出　　处：《电工技术》2022年第13期149-150,共2页Electric Engineering

摘　　要：针对一起飘挂物导致特高压直流双极闭锁事件,详细分析了直流保护动作过程并判断故障原因,结合直流线路排查情况提出了飘挂物防范建议。To the accident of UHV DC bipolar block caused by floating objects,the operation process of DC protection is analyzed in detail and the fault causes are judged.Combined with the troubleshooting of DC line,the prevention suggestions of floating objects are put forward.

关 键 词：飘挂物 特高压 双极闭锁 建议 

分 类 号：TM81[电气工程—高电压与绝缘技术]