110kV线路故障引起跳闸分析  

Analysis on Tripping Caused by a Failure in 110kV Line

作　　者：王沁洋 WANG Qinyang(Hai'an Power Supply Company,Nantong 226600)

机构地区：[1]国网江苏省电力有限公司海安市供电分公司,江苏南通226600

出　　处：《电力安全技术》2022年第2期58-60,共3页Electric Safety Technology

摘　　要：针对一次因线路故障,小电源未及时切除导致反送电,引起主变各侧跳闸的事故,分析探讨小电源并网对电力系统的运行方式及继电保护配置设置的影响,并以此提出改进技术措施和管理建议。In allusion to a trip on both sides of the main transformer caused by the reverse power transmission due to the failure of small power supply to be disconnected in time because of a line fault, analyses are conducted for the influence of small power supply connected into power grid on the operation mode of power system and the configuration of relay protection, and measures and management suggestions for technical improvement are put forward.

关 键 词：事故分析 小电源反送电 故障解列 变电站 

分 类 号：TM773[电气工程—电力系统及自动化]