华电技术 ›› 2010, Vol. 32 ›› Issue (9): 63-64.

• 技术交流 • 上一篇    下一篇

发电机定子线棒耐压试验放电起火的原因及对策

杨开平,韩郭锋,粱光辉   

  1. 中国水利水电建设工程咨询西北公司,湖北丹江口442700
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2010-09-25 发布日期:2010-09-25

Reasons of discharging and firing of the generator stator bar during highvoltage holding test and the countermeasures

YANG Kaiping, HAN Guofeng, LIANG Guanghui   

  1. China Northwest Water Conservancy & Hydropower Engineering Consulting Company,Danjiangkou 442700,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2010-09-25 Published:2010-09-25

摘要: 分析了丹江口水力发电厂 #5发电机定子线棒在耐压试验中放电起火的原因,介绍了具体的处理方案及该方案的实际运用效果。用正确的工艺方法将定子线棒防晕层处理合格后,能够保证机组安全、可靠运行。

关键词: 线棒, 耐压试验, 放电起火, 处理

Abstract: The reasons of discharging and firing of the generator No.5 stator bar of Danjiangkou Power Plant during the highvoltage holding test were analyzed. The concrete treatment scheme and the practical effects of the scheme were introduced. After the anticorona layer of the bar was treated using correct technology, the safe and reliable operation of the unit can be ensured.

Key words: bar, high-voltage holding test, discharging and firing, treatment