Test Analysis on 220kV Transformer Partial Discharge(PD)
Wang Shixin1, Ren Xiaohua1, Miao Zhinong2
1. School of Electrical and Information Engineering, Xihua University, Chengdu 610039; 2. School of Electrical and Information Engineering, Panzhihua University, Panzhihua, Sichuan 617000
Abstract: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.