关于变压器局放试验若干问题的探讨  

A Discussion on Several Problems of Transformer Partial Discharge Test

作　　者：唐成军 李欣[2] TANG Chengjun;LI Xin(Hunan Power Grid Engineering Company,Hengyang 421002,China;Huian Institute of Technology,Hengyang 421008,China)

机构地区：[1]湖南省电网工程公司,湖南衡阳421002 [2]湖南工学院,湖南衡阳421008

出　　处：《电工技术》2018年第2期25-26,28,共3页Electric Engineering

基　　金：湖南省教育厅科研项目(13C02)

摘　　要：变压器现场局部放电试验受到各种因素的影响,本文探讨了局放的试验原理及试验中主变等效电容的计算问题,分析了分接开关档位设置问题,以及现场干扰对局放试验的影响,并针对这些问题提出具体解决方案。现场试验结果证明了方案的可行性。Partial discharge test in transformer field is affected by various factors.This paper discusses the test principle of PD and the calculation of equivalent capacitance of main transformer in the test,analyzes the setting of gear position of tap changer and the nifluence of interference,also proposes the specific solutions to these problems.The feasibility of the scheme is proved by field test results.

关 键 词：局放试验 等效电容 局放干扰 

分 类 号：TM41[电气工程—电器]