华电技术 ›› 2010, Vol. 32 ›› Issue (12): 7-8.

• 专题综述 • 上一篇    下一篇

330MW汽轮发电机组密封油系统故障分析及处理

马保会,倪涛,张学民   

  1. 华电潍坊发电有限公司,山东潍坊261201
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2010-12-25

Analysis and treatment on fault of seal oil system of 300MW steam turbine generator set

MA Baohui, NI Tao, ZHANG Xuemin   

  1. Huadian Weifang Power Generation Corporation Limited, Weifang 261201, China
  • Received:1900-01-01 Revised:1900-01-01 Published:2010-12-25

摘要: 对华电潍坊发电有限公司 #2机组发电机氢气纯度下降过快、排/补氢量大、空侧直流油泵经常连锁启动的问题进行了分析,对发电机密封油系统存在的不足进行了改进,最终解决了上述问题。

关键词: 发电机, 氢气纯度, 补氢量, 密封油, 改进

Abstract: The hydrogen purity of the generator in unit No.2 of Huadian Weifang Power Generation Corporation Limited was reduced too fast, the hydrogen exhaust/fillin quantity was larger, the air side DC oil pump often started up in interlock mode. All problems listed above were analyzed. The defects existed in the seal oil system of the generator have been improved, and the problems mentioned above were solved finally.

Key words: generator, hydrogen purity, hydrogen fill-in quantity, seal oil, improvement