一起110kV断路器偷跳引起的10kV备自投装置拒动事故分析  

Analysis of 10kV automatic switchover device rejection caused by 110kV breaker tripping

作　　者：单国栋[1] SHAN Guodong(Liuzhou Power Supply Bureau of Guangxi Power Grid Corporation,Liuzhou,Guangxi 545005)

机构地区：[1]广西电网公司柳州供电局,广西柳州545005

出　　处：《电气技术》2024年第6期77-81,共5页Electrical Engineering

摘　　要：针对一起110kV断路器因机构原因偷跳,10kV备自投装置未动作,导致10kV母线失电压的事故,本文详细分析10kV备自投装置的动作逻辑及其拒动原因,并结合此次事故提出相应的防范措施,以期为类似事故的处理提供参考。In this paper,the 10kV bus voltage loss accident caused by the failure of the 10kV automatic switchover device when a 110kV breaker trips due to its switch mechanism,.The action logic of the 10kV automatic switchover device and the cause of rejection are analyzed in detail.The corresponding preventive measures are put forward to provide reference for similar accidents.

关 键 词：偷跳 失电压 备自投装置 保护拒动 故障分析 

分 类 号：TM561[电气工程—电器] TM762.1