一起500 kV主变绕组温度计引起的跳闸故障分析  

Analysis of Tripping Failure Caused by Winding Thermometer of 500 kV Main Transformer

作　　者：胡务 HU Wu(Chongqing Anwei Power Plant,Chongqing 401420,China)

机构地区：[1]重庆安稳发电厂,重庆401420

出　　处：《电工技术》2018年第6期30-31,共2页Electric Engineering

摘　　要：本文针对一起某发电厂500kV主变压器绕组温度计误发绕组温度高信号,引起运行中的660 MW发电机组跳闸全停的故障进行分析,为发电厂变压器绕组温度保护的运行管理、保护的设计、类似故障分析提供参考。The tripping failure of 660 MW generator caused by high temperature signal of winding thermometer in a 500 kV main transformer was introduced.This paper provided reference for operation management,protection design and similar fault analysis of transformer winding temperature protection in power plant.

关 键 词：主变压器 绕组温度计 非电量保护 

分 类 号：TM41[电气工程—电器]