660 MW机组灭磁开关跳闸停机分析  

Analysis of Demagnetizing Switch Tripping Shutdown for 660 MW

作　　者：丁雪松 Ding Xuesong(Huadian Power International Shuozhou Thermoelectric Branch,Shuozhou 036000,China)

机构地区：[1]华电国际朔州热电分公司,山西朔州036000

出　　处：《山东化工》2021年第24期174-175,178,共3页Shandong Chemical Industry

摘　　要：通过对某电厂660 MW机组直流系统出现干扰,导致机组灭磁开关跳闸造成非停,经过详细地对直流系统排查,以输出信号为主线进行分析,得出机组非停原因的准确定论;对同类型机组单位的安全运行及提高应急处理能力具有指导意义。In this paper,the DC system of a 660 MW unit in a power plant is interfered,which leads to the trip of the de-excitation switch of the unit and causes non-stop.After detailed investigation of the DC system,the first output signal is analyzed as the main line,and the accurate conclusion of the cause of non-stop of the unit is obtained It has guiding significance to the safe operation of the same type of units and to improve the emergency handling capacity.

关 键 词：干扰 灭磁开关 出口开关 失磁联跳 

分 类 号：TQ082[化学工程] TM621[电气工程—电力系统及自动化]