摘要
阐述了侯村５００ｋＶ变压器Ａ相主变的异常情况及分析处理过程，对大型变压器的三种磁屏蔽结构进行了讨论，提出一种新型的磁屏蔽结构。
This paper discribes the abnormal situations and analyses process of A phase main transformer of Houcun 500kV substation,and discusses three kinds of magnetic shield structure of the large-scale transformer and proposes a new man getic shield structure.
