220kV变压器套管缺陷交流阻抗检测与定位方法研究

Research on AC impedance detection and location method of 220 kV transformer bushing defects

本文主要针对220kV变压器套管的缺陷问题进行研究分析,首先分析220kV变压器套管结构以及常见的缺陷问题和原因及常用的220kV变压器套管缺陷监测方法,最后提出220kV变压器套管缺陷交流阻抗检测与定位方法。

This paper mainly analyzes the defects of 220kV transformer casing,first analyzes the structure of 220kV transformer casing,common defects and causes,and common monitoring methods of 220kV transformer casing defects.Finally,the paper proposes the detection and location method of AC impedance of 220kV transformer bushing defects.