华电技术 ›› 2008, Vol. 30 ›› Issue (6): 49-51.

• 一线动态 • 上一篇    下一篇

UNS3020型发电机转子接地保护误动作原因分析

马铁军,马骋,胡贤优,越阳,张卓印   

  1. 内蒙古国华准格尔发电有限责任公司,内蒙古 准格尔 100300
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2008-06-25 发布日期:2008-06-25

The Reason Analysis of Misoperation for UNS 3020 Type Generator Rotor Winding Earth Fault Protection

MA Tie-jun, MA Cheng, HU Xian-you, YUE Yang, ZHANG Zhuo-yin   

  1. Inner Mongolia Guohua Zhungeer Power Generation Co., Ltd. Zhungeer 100300, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2008-06-25 Published:2008-06-25

摘要: 介绍了UNS 3020型发电机转子接地保护装置的工作原理,分析了其在电厂实际运用中发生误动的原因,指出了基建调试、日常巡检、大小修所需注意的问题,给出了避免误动作所应采取的具体措施。

关键词: 发电机转子接地, 保护误动作, 防范措施, 原因分析

Abstract: The principle of UNS 3020 type generator rotor winding earth fault protection device was introduced, and the reason of the occurring protection misoperaion in power plant operation was analyzed. The problems needing attention in commissioning, routine inspection, maintenance and overhaul were pointed out. The concrete measures for avoidance misoperation were given.

Key words: generator rotor winding earth fault, protection misoperation, precautionary measure, reason analysis