500kV主变压器套管末屏漏油原因分析与处理

于文涛，黄文峰，马欣

Causes analysis and treatment of end shield oil leak in 500  kV main transformer bushing 

YU Wentao，HUANG Wenfeng，MA Xin

华电技术 . 2018, (2): 25 -28 .