摘要
介绍河北张河湾蓄能发电有限责任公司500kV主变压器设备概况,分析局部放电试验的过程及异常情况,认为低压套管末屏导杆有毛刺导致接地不良是局部放电超标的原因,并提出解决措施及试验注意事项。
This paper introduces the 500 kV main transformer equipment of Hebei Zhanghewan Storage Power Co. Ltd. , analyzes the abnormity problem of partial discharge test, considers that the value of partial discharge test over proof is caused by low-voltage bushing burr, and presents settlement measure.
出处
《河北电力技术》
2011年第B04期24-25,共2页
Hebei Electric Power
关键词
抽水蓄能电站
变压器
局部放电试验
pumped storage power station
transformer
partial discharge test
