Influence of Connection Mode on Frequency Response of Distribution Transformer Winding

WANG Shanshan; WEN Zhengqi; YAN Xiaohu; LU Wenhua

doi:10.13296/j.1001-1609.hva.2017.01.031

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Influence of Connection Mode on Frequency Response of Distribution Transformer Winding

更新时间：2025-04-26

- Influence of Connection Mode on Frequency Response of Distribution Transformer Winding
- High VoltageApparatus Vol. 53, Issue 1, Pages: 186-191(2017)
- 作者机构：
  
  国网电力科学研究院武汉南瑞有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2017.01.031
  CLC： TM421
- Published：2017
- 稿件说明：
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[1]王珊珊,文正其,鄢小虎,卢文华.接线方式对配电变压器绕组频率响应影响[J].高压电器,2017,53(01):186-191.

WANG Shanshan, WEN Zhengqi, YAN Xiaohu, et al. Influence of Connection Mode on Frequency Response of Distribution Transformer Winding[J]. High VoltageApparatus, 2017, 53(1): 186-191.
[1]王珊珊,文正其,鄢小虎,卢文华.接线方式对配电变压器绕组频率响应影响[J].高压电器,2017,53(01):186-191. DOI： 10.13296/j.1001-1609.hva.2017.01.031.

WANG Shanshan, WEN Zhengqi, YAN Xiaohu, et al. Influence of Connection Mode on Frequency Response of Distribution Transformer Winding[J]. High VoltageApparatus, 2017, 53(1): 186-191. DOI： 10.13296/j.1001-1609.hva.2017.01.031.

摘要

通过对1台容量为200 kVA的S11-M-200/10型三相变压器的试验

分析比较了不同接线方式对频率响应曲线测量的影响。特别是对变压器外壳是否接地、注入电压的方向、非测试绕组的状态等的影响进行了深入的研究。研究表明:接线方式的不同可能导致频率响应曲线的巨大差异

某些情况下这些差异比绕组变形、变压器故障导致的差异更大。因此

笔者建议在进行变压器绕组频率响应曲线测量时应该保持各实验条件的一致。

Abstract

Based on the experiments of a 200 kVA 3-phase power transformer（S11-M-200/10）

the effect of terminal connections on frequency response analysis（FRA） results is studied. Highlight on the effect of transformer casing grounding status

direction of the injected voltage

and status of the non-test windings. This analyzed results show that different terminal connections lead to huge differences between each FRA curves. Wrong or different terminal connections might lead to different waveform of FRA and misinterpretation of the results. Therefore

it is suggested that the measurement of the frequency response curve of the transformer should be consistent with the experimental conditions.

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Related Institution

Electric Power Research Institute of Tianjin Electric Power Corporation

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广东省电力装备可靠性重点企业试验室，广州 510080Guangdong Electric Power Equipment Reliability Key Enterprise Laboratory, Guangzhou 510080, China

广东电网有限责任公司电力科学研究院，广州 510080Electric Power Research Institute of Guangdong Power Grid Co., Ltd., Guangzhou 510080, China

广东电网有限责任公司，广州 510080Guangdong Power Grid Co., Ltd., Guangzhou 510080, China

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