华电技术 ›› 2013, Vol. 35 ›› Issue (7): 56-60.

• 技术交流 • 上一篇    下一篇

发电机无功功率冲击原因分析及对策

  

  1. (构皮滩发电厂,贵州余庆〓564408)
  • 出版日期:2013-07-25 发布日期:2013-08-20

Analysis on reasons of reactive power shock of generator and countermeasures

  1. (Goupitan Power Plant, Yuqing 564408, China)
  • Online:2013-07-25 Published:2013-08-20

摘要:

摘要:介绍了发电机励磁系统中调差环节的工作原理,分析了并列运行发电机间无功功率分配出现的问题,论述了构皮滩水力发电厂5台发电机因调差系数设置不同而引起无功功率冲击的原因和采取的对策,可为其他发电机励磁系统调差系数整定及设置提供借鉴和参考。

关键词: 关键词:励磁, 调差, 无功功率, 原因分析, 对策

Abstract:

Abstract:The working principle of the reactive current compensation link in generator excitation system was introduced. The problems occurred in reactive power distribution between the parallel operating generators were analyzed. The reason of reactive power shock on the five generators of Goupitan Hydropower Station caused by different settings of their reactive current compensation coefficients and adopted countermeasures were expounded. The result of this paper can be used as reference for other generator excitation systems in setting of reactive current compensation coefficient.

Key words: Key words:excitation, reactive current compensation, reactive power, reason analysis, countermeasure