220 kV变电站母差保护动作的事故分析  

Fault Analysis of a Bus Differential Protection Action in a 220 kV Substation

作　　者：吴薇 张国芳[2] 汪振中 王玮 吴周长 黄莉莉 邵竹星 WU Wei;Zhang Guofang;WANG Zhenzhong;WANG Wei;WU Zhouchang;HUANG Lili;SHAO Zhuxing(State Grid Anqing Power Supply Company, Anqing 246000, China;State Grid Sichuan Electric Power Co. , Ltd. , Chengdu 610000, China)

机构地区：[1]国网安庆供电公司,安徽安庆246000 [2]国网四川省电力公司,四川成都610000

出　　处：《安徽电气工程职业技术学院学报》2020年第1期13-16,共4页Journal of Anhui Electrical Engineering Professional Technique College

摘　　要：介绍了某220 kV变电站发生的一起35 kV母差保护动作的事故案例,通过现场检查情况分析出保护动作的原因,对继电保护动作的过程和事故录波报告进行了详细的分析。最后提出了针对性的处理办法和整改措施,旨在更好地完善变电站设备的运行和维护。A 35 kV bus protection action fault in a 220 kV substation is introduced.Based on the on-site inspection,the process of relay protection action and the recording report are analyzed in detail to find out the cause.Finally,treatments and rectification measures are proposed accordingly to improve the operation and maintenance of substation equipment.

关 键 词：220 KV变电站 母差保护 事故分析 整改措施 

分 类 号：TM773.4[电气工程—电力系统及自动化]