500kV断路器三相不一致跳闸分析  

Analysis on Three-phase Inconsistent Tripping of 500kV Circuit Breaker

作　　者：管宇 岳全中 梁斌 GUAN Yu;YUE Quanzhong;LIANG Bin(UHV Company of State Grid Jiangsu Electric Power Co.,Ltd.,Nanjing 213000)

机构地区：[1]国网江苏省电力有限公司超高压分公司,江苏南京213000

出　　处：《电力安全技术》2022年第2期28-30,共3页Electric Safety Technology

摘　　要：阐述了断路器本体三相不一致保护原理,实际运行中保护动作的主要原因,结合实例,通过分析后台报文信号、保护装置、故障录波装置及现场检查,准确查找出故障点并处理,最后提出了相应的防范措施。The three-phase inconsistent protection principle of circuit breaker body and the main causes of protection action in actual operation are expounded. Combined with practical cases, By the analysis of background message signal, protection device, fault recording device and onsite inspection, the fault points are accurately found out and handled, and finally the corresponding preventive measures are put forward.

关 键 词：三相不一致 断路器跳闸 继电器 报文 

分 类 号：TM561[电气工程—电器]