大型汽轮发电机转子绕组匝间短路故障诊断  

Diagnosis of Inter-turn Short Circuit of Large Turbine Generator Rotors

作　　者：何天磊 徐俊元 陈聪 王晓剑 胡磊 HE Tianlei;XU Junyuan;CHEN Cong;WANG Xiaojian;HU Lei(China Power Huachuang Electricity Technology Research Co.,Ltd.,Shanghai 200086,China)

机构地区：[1]中电华创电力技术研究有限公司,上海200086

出　　处：《湖南电力》2019年第1期31-35,共5页Hunan Electric Power

摘　　要：介绍了几种常用的转子匝间短路的故障诊断方法,阐述了重复脉冲法的试验方法及其原理,结合某电厂一台640 MW发电机转子匝间短路的诊断过程案例,探讨了重复脉冲法在早期匝间绝缘缺陷分析中的应用,对发电机安全稳定运行有重要意义。This paper introduces several common diagnosis techniques of rotor inter-turn short circuit,and expounds the repetitive surge oscillograph(RSO)technique and its principle.Combined with the diagnosis process of a 640MW generator rotor inter-turn short circuit in a power plant,the application of the RSO technique in the analysis of early inter-turn insulation defects is discussed,which has great significance for the safe and stable operation of the generator.

关 键 词：转子 匝间短路 重复脉冲法 

分 类 号：TM311[电气工程—电机]