华电技术 ›› 2010, Vol. 32 ›› Issue (12): 12-13.

• 专题综述 • 上一篇    下一篇

空冷式发电机差动保护动作的原因分析

陈日光   

  1. 厦门市环境能源投资发展有限公司,福建厦门361009
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2010-12-25 发布日期:2010-12-25

Analysis on reasons of differential protection action of aircooled generator

CHEN Riguang   

  1. Xiamen Environment and Energy Investment and Development Corporation Limited, Xiamen 361009, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2010-12-25 Published:2010-12-25

摘要: 介绍了QFW-6-2型空冷式发电机的原理及冷却系统,分析了发电机在调试期间2起差动保护动作产生的故障原因,采取了相应措施后,发电机恢复了正常运行。

关键词: 发电机, 差动保护, 原因分析, 对策

Abstract: The principle and the cooling system of QFW-6-2 aircooled generator were introduced. The reasons of the faults, which caused the differential protection action two times during the generator debugging period, were analyzed. The relevant measures were adopted, and the generator operation became normal.

Key words: generator, differential protection, reason analysis, countermeasure