1000MW汽轮发电机轴承温度高故障分析及处理  

Fault Analysis and Treatment for High Bearing Temperature of 1000 MW Turbo-generator

作　　者：马旭[1] 白广臣 邱杨 MA Xu;BAI Guangchen;QIU Yang(School of Mechanical and Electrical Engineering,Zhuhai City Polytechnic,Zhuhai 519090,Guangdong Province,China;Shenhua Guangdong Guohua Yuedian Taishan Electric Power Co.,Ltd.,Taishan 529228,Guangdong Province,China)

机构地区：[1]珠海城市职业技术学院机电工程学院,广东珠海519090 [2]神华广东国华粤电台山发电有限公司,广东台山529228

出　　处：《电力与能源》2021年第2期231-234,共4页Power & Energy

摘　　要：以某1 000 MW汽轮发电机励侧轴承为例,阐述了励侧轴承温度高的原因及处理过程,介绍了通过更换发电机励侧轴承、修刮轴承进回油侧油囊、励侧转子上加装轴接地测量装置等措施,解决了发电机励侧轴承温度高问题,可为同类型机组应对该问题提供参考经验。Based on the case of No.7 bearing in a 1000 MW steam turbine generator,this paper expounds the reasons of high bearing temperature and the treatment process.It is suggested to solve the problem of generator excitation-side bearing high temperature by means of changing the generator excitation side bearing,repairing and scraping the bearing into inlet-side oil sac,installing shaft grounding measurement devices on excitation-side rotor,etc.,which can solve the problem of generator excitation-side bearing high temperature and provide reference for the same type unit to deal with the problem.

关 键 词：1000 MW汽轮发电机 发电机轴承 温度 

分 类 号：TM311[电气工程—电机]