Experimental Study on FRA-based Detection of Transformer Winding Deformation

ZHANG Haijun; WANG Shuhong; LIU Yanqin

doi:10.13296/j.1001-1609.hva.2017.12.026

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Experimental Study on FRA-based Detection of Transformer Winding Deformation

更新时间：2025-04-26

- Experimental Study on FRA-based Detection of Transformer Winding Deformation
- High VoltageApparatus Vol. 53, Issue 12, Pages: 157-162(2017)
- 作者机构：
  
  1. 湖北文理学院物电学院纯电动汽车动力系统设计与测试湖北省重点实验室
  2. 西安交通大学电气学院
  3. 国网四川省成都电力公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2017.12.026
  CLC： TM41
- Published：2017
- 稿件说明：
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[1]张海军,王曙鸿,刘艳琴.FRA法检测电力变压器绕组变形的试验研究[J].高压电器,2017,53(12):157-162.

ZHANG Haijun, WANG Shuhong, LIU Yanqin. Experimental Study on FRA-based Detection of Transformer Winding Deformation[J]. High voltageapparatus, 2017, 53(12): 157-162.
[1]张海军,王曙鸿,刘艳琴.FRA法检测电力变压器绕组变形的试验研究[J].高压电器,2017,53(12):157-162. DOI： 10.13296/j.1001-1609.hva.2017.12.026.

ZHANG Haijun, WANG Shuhong, LIU Yanqin. Experimental Study on FRA-based Detection of Transformer Winding Deformation[J]. High voltageapparatus, 2017, 53(12): 157-162. DOI： 10.13296/j.1001-1609.hva.2017.12.026.

摘要

通过试验研究了频率响应分析法检测变压器绕组变形。首先分析了频率响应分析法检测变压器绕组变形的基本原理。建立了频率响应分析法试验平台

分析了影响频率响应分析法检测绕组变形结果的主要因素。结合相关系数法对两个典型算例变压器绕组进行了变形诊断分析。通过对变压器的频率响应测试数据比较分析

结果表明了用频率响应分析法判断变压器绕组变形仍存在一定的局限性。

Abstract

The basic principle of the frequency response analysis method for detecting transformer winding deformation was analyzed.The test platform for analyzing frequency response was established

and the main influenceson application of the frequency response analysis to detection of winding deformation were investigated.The correlation coefficient method was employedin two typical diagnosisexamples of transformer winding deformation.Comparison between thefrequency responses of transformer from both the frequency response analysis and the test indicatesthat the frequency response analysis has certain limitationin judging transformer winding deformation.

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