220kV变压器局部放电试验分析

Analysis on partial discharge test for 220kV transformer

论文介绍了几种变压器局部放电试验常用的电源类型及各种电源的优缺点和现场试验接线方式，分析了干扰的来源，提出了一般的抑制措施，并结合实例说明了开展变压器局部放电试验判断局部放电的原因的准确性和重要性。

This paper introduces several kinds of transformer partial discharge test commonly used type of power supply and power advantages and disadvantages and field test connection mode, analyzes the interference sources, the suppression measures in general, combined with examples of transformer partial discharge test accuracy and importance of the reasons of partial discharge.