一起保护异常动作的故障分析  

Fault analysis of the protection of abnormal movements

作　　者：韩利 

机构地区：[1]江苏省电力公司检修分公司南京运维分部,210019

出　　处：《电子测试》2016年第11期143-143,133,共2页Electronic Test

摘　　要：本文所述为一起比较典型的事故,但其保护动作情况却较为异常。二次保护工作人员通过现场一次及二次情况进行分析,发现装置存在的问题,并及时通知厂家。借助于厂家特有的软件,找出保护异常动作的缘由。针对这种问题的存在,南京分部组织运行及检修人员对所辖变电站所有相关保护进行隐患排查,确保了电网的安全运行。In this paper,compared with the typical accident,but the protective action is more abnormal. Two times to protect the staff through the scene once and two times the situation analysis,found that the problem of the device,and timely notification to the manufacturers.With the help of the specific software manufacturers,to find out the reasons for the protection of abnormal movements.In view of the existence of this kind of problem,the Nanjing branch organization operation and maintenance personnel to the jurisdiction of the substation all related protection hidden investigation,to ensure the safe operation of the power grid.

关 键 词：故障录波 开入量 非全相 压板 

分 类 号：TM77[电气工程—电力系统及自动化]