500kV变压器保护过激磁告警不能自动复归原因分析  

Cause analysis of 500kV transformer protection over excitation alarm not automatically reset

作　　者：杨波 徐军 袁仁彪 刘长发 余超 Yang Bo;Xu Jun;Yuan Renbiao;Liu Changfa;Yu Chao(Guiyang Bureau,CSG EHVT Transmission Company,Guiyang 55000)

机构地区：[1]南方电网超高压输电公司贵阳局,贵阳550003

出　　处：《电气技术》2018年第7期116-117,120,共3页Electrical Engineering

摘　　要：本文通过分析微机型变压器保护过激磁保护的动作原理,动作现象以及试验结果,提出解决过激磁保护告警不能自动返回的办法。Through the analysis of microprocessor transformer protection action principle of excitation protection, the phenomenon of action as well as experimental results, put forward to solve the over excitation protection alarm can not automatically return to the way.

关 键 词：变压器 微机型 过激磁 返回系数 

分 类 号：TM41[电气工程—电器]