摘要
本文中作者介绍了某±800kV特高压直流工程中一台换流变压器在进行直流耐压试验时发现的异常现象,分析了内部故障的原因,并提出了对后续在制产品的改进措施。
The abnormal phenomenon found in a DC converter with a ±800 kV UHV DC project during DC withstand voltage test is introduced by the authors in this paper. The causes of internal faults are analyzed. The improvement measures for subsequent products is presented.
作者
王洪伟
曹燕明
樊纪超
WANG Hong-wei;CAO Yan-ming;FAN Ji-chao(State Grid Economic Technology Research Institute Co., Ltd., Beijing 100000, China)
出处
《变压器》
北大核心
2019年第8期60-62,共3页
Transformer
关键词
换流变压器
直流耐压试验
局部放电
Converter transformer
DC withstand voltage test
Partial discharge
