华电技术 ›› 2016, Vol. 38 ›› Issue (6): 41-42.

• 技术交流 • 上一篇    下一篇

一起汽轮机A变压器跳闸事故原因分析及处理

  

  1. 华电莱州发电有限公司,山东莱州〓261441
  • 出版日期:2016-06-25 发布日期:2016-09-21

A steam turbine A transformer trip accident causes analysis and treatment

  1. Huadian Laizhou Power Generation Company Limited, Laizhou 261441, China
  • Online:2016-06-25 Published:2016-09-21

摘要:

摘要:针对华电莱州发电有限公司1000MW超超临界机组汽轮机A变压器跳闸事故,通过分析,查出事故原因为低压侧出口母排距离配电柜边缘过近,造成闪络,引起汽轮机A变压器保护跳闸。提出了处理措施以及设备恢复送电时应注意的问题。

关键词:

Abstract:

Abstract:After analyzed the incident of Huadian Laizhou Power Generation Company Limited 1000MW ultra critical unit steam turbine A transformer trip,the author indicated that the transformer low voltage side outlet busbar is too close to power distribution cabinet,and caused flashover and A transformer protection trip. Treatment measurements and matters need attention while power recovery was indicated. 

Key words: