一起失磁造成135 MW发电机组跳闸事故的分析及改造实施  

Analysis of a Trip Accident of 135 MW Generator Unit Caused by Loss of Excitation and the Corresponding Counteracting Reformation

作　　者：周毅 ZHOU Yi(Self-owned power plant of Shanxi Zhaofeng Aluminum Power Co.,Ltd.,Yangquan 045200,China)

机构地区：[1]山西兆丰铝电有限责任公司自备电厂,山西阳泉045200

出　　处：《电工技术》2023年第18期200-201,206,共3页Electric Engineering

摘　　要：就某电厂一起失磁引起发电机组对称过负荷反时限动作跳闸的事故进行分析,探讨了失磁发生的原因及造成发电机组跳闸的保护动作情况,提出相应的改造对策并进行了实施。This paper analyzes an accident of generator unit trip due to symmetrical overload inverse time limit action caused by loss of excitation in a certain power plant,discusses the cause of loss of excitation and the protection action inducing generator unit trip,and puts forward and performs corresponding reformation measures.

关 键 词：失磁 发电机组跳闸 分析 改造实施 

分 类 号：TM307[电气工程—电机]