摘要
介绍了某厂350 MW发电机在B级检修前,通过直流耐压试验发现定子绕组存在重大绝缘缺陷,并分析产生此缺陷的原因及判断依据,提出了防止此类缺陷发生的防范措施。
Serious insulating defects of a 350 MW generator stator winding were found through DC voltage withstanding test before B-class overhaul. The defects were analysed and preventive measures were put forward accordingly.
出处
《山西电力》
2014年第2期24-26,共3页
Shanxi Electric Power
关键词
发电机
定子绕组
直流耐压试验
绝缘缺陷
generator
stator winding
DC voltage withstanding test
insulation defect
