Influencing Factors on Deformation Diagnosis of Transformer Windings

CAO Xiao-long1; HU Chun-mei2; CAO Xiao-hu2; ZHANG Zhi-wu2; CHEN Ping1; LIU Dong-liang1; ZHOU Bin3

doi:10.13296/j.1001-1609.hva.2012.07.019

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Influencing Factors on Deformation Diagnosis of Transformer Windings

更新时间：2025-04-26

- Influencing Factors on Deformation Diagnosis of Transformer Windings
- High VoltageApparatus Vol. 48, Issue 7, Pages: 81-87(2012)
- 作者机构：
  
  1. 甘肃省天水供电公司
  2. 甘肃省电力公司检修公司
  3. 甘肃省陇南供电公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2012.07.019
  CLC： TM41
- Published：2012
- 稿件说明：
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[1]曹小龙,胡春梅,曹小虎,张治武,陈平,刘栋梁,周斌.变压器频率响应法测试结果的影响因素分析及改善[J].高压电器,2012,48(07):81-87.

CAO Xiao-long1, HU Chun-mei2, CAO Xiao-hu2, et al. Influencing Factors on Deformation Diagnosis of Transformer Windings[J]. High VoltageApparatus, 2012, 48(7): 81-87.
[1]曹小龙,胡春梅,曹小虎,张治武,陈平,刘栋梁,周斌.变压器频率响应法测试结果的影响因素分析及改善[J].高压电器,2012,48(07):81-87. DOI： 10.13296/j.1001-1609.hva.2012.07.019.

CAO Xiao-long1, HU Chun-mei2, CAO Xiao-hu2, et al. Influencing Factors on Deformation Diagnosis of Transformer Windings[J]. High VoltageApparatus, 2012, 48(7): 81-87. DOI： 10.13296/j.1001-1609.hva.2012.07.019.

摘要

目前采用频率响应法诊断变压器绕组变形的应用相当广泛

但是在实际测量中

其测试结果会受到诸多因素的影响而失真

若不能准确识别这些影响因素

测试结果的可比性将大大降低

从而给测试结果的分析、判断带来困难甚至错误。笔者结合频率响应法检测技术在天水电网的应用情况

总结了现场由于各种影响因素造成的绕组频率响应曲线异常的实例并将其逐一归类

为今后判断变压器绕组变形提供依据。

Abstract

Frequency response method is widely applied to diagnosis of transformer winding deformation.However

measurement distortion will take place because of many influencing factors

which may decrease the comparability of measurement results

and thus make analysis and judgement of the results difficult or even false.To accurately identify the influencing factors

we sum up and classify different abnormal curves of windings’ frequency response due to different influencing factors according to the application of frequency response detection technology in Tianshui grid.This study is expected to provide evidence for deformation judgement of transformer windings.

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