某水电厂励磁系统跨接器故障分析  

Analysis of jumper failure of excitation system in a hydroelectric plant

作　　者：姜巍 JIANG Wei(Guangxi Guangtou Intelligent Technology Limited Company,Nanning 530200)

机构地区：[1]广西广投智能科技有限公司,南宁530200

出　　处：《电气技术》2021年第10期43-45,64,共4页Electrical Engineering

摘　　要：本文对一起机组起励时灭磁电阻严重烧坏并最终导致停机的事故进行分析,查找出灭磁电阻严重烧坏的原因。通过一系列试验,模拟机组起励停机过程,证明此次故障是由于机械跨接器在实际运行中存在缺陷造成的。最后,为防止此类事故再次发生,提出相关技术改造意见,以保证励磁系统安全稳定运行。In this paper,an accident that the de-excitation resistance is seriously burned out during excitation which leads to shutdown is analyzed.Through a series of tests to simulate the excitation shutdown process of the unit,it is proved that the fault is caused by the defects of the mechanical jumper in the actual operation.Finally,in order to prevent such accidents from happening again,relevant technical suggestions are put forward to ensure the safe and stable operation of the excitation system.

关 键 词：跨接器故障 灭磁开关 灭磁电阻 

分 类 号：TV737[水利工程—水利水电工程]