华电技术 ›› 2011, Vol. 33 ›› Issue (6): 42-44.

• 研究与开发 • 上一篇    下一篇

发电机定子绕组端部振动在线监测装置缺陷分析和处理

罗玉环   

  1. 广东惠州天然气发电有限公司,广东惠州516082
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2011-06-25 发布日期:2011-06-25

Analysis on defect of vibration online monitoring device for generator stator winding head and treatment

LUO Yuhuan   

  1. Guangdong Huizhou Natural Gas Power Generation Corporation Limited , Huizhou 516082, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2011-06-25 Published:2011-06-25

摘要: 介绍了发电机定子绕组端部振动在线监测装置缺陷处理的方法和过程,采用分段排除法和频率分析法,排除了发电机发生共振故障的可能性,避免了发电机组急停事故的发生。

关键词: 发电机, 定子绕组, 端部固有频率, 在线监测装置, 缺陷处理

Abstract: The method and the process of defect treatment of online vibration monitoring device for generator stator winding head were introduced. Using the subsection excluding method and the frequency analysis method, the possibility of generator resonance fault was excluded, and the generator emergency shutdown accident was avoided.

Key words: generator, stator winding, natural frequency of winding head, on-line monitoring device, defect treatment