Calculation of 3D Eddy Current Field and Analysis of Shielding in Power Transformer

Eerhemubayaer1; LI Yan1; SUN Xin1; ZHANG Xiao-ting2

doi:10.13296/j.1001-1609.hva.2011.10.014

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Calculation of 3D Eddy Current Field and Analysis of Shielding in Power Transformer

更新时间：2025-04-26

- Calculation of 3D Eddy Current Field and Analysis of Shielding in Power Transformer
- High VoltageApparatus Vol. 47, Issue 10, Pages: 69-74(2011)
- 作者机构：
  
  1. 沈阳工业大学特种电机研究所
  2. 沈阳工业大学电气工程学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2011.10.014
  CLC： TM41
- Published：2011
- 稿件说明：
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[1]额尔和木巴亚尔,李岩,孙昕,张霄霆.电力变压器三维涡流场计算与屏蔽问题分析[J].高压电器,2011,47(10):69-74.

Eerhemubayaer1, LI Yan1, SUN Xin1, et al. Calculation of 3D Eddy Current Field and Analysis of Shielding in Power Transformer[J]. High voltageapparatus, 2011, 47(10): 69-74.
[1]额尔和木巴亚尔,李岩,孙昕,张霄霆.电力变压器三维涡流场计算与屏蔽问题分析[J].高压电器,2011,47(10):69-74. DOI： 10.13296/j.1001-1609.hva.2011.10.014.

Eerhemubayaer1, LI Yan1, SUN Xin1, et al. Calculation of 3D Eddy Current Field and Analysis of Shielding in Power Transformer[J]. High voltageapparatus, 2011, 47(10): 69-74. DOI： 10.13296/j.1001-1609.hva.2011.10.014.

摘要

针对大型电力变压器漏磁场及局部过热问题

笔者应用三维涡流场有限元分析方法对变压器夹件及油箱进行了漏磁场及涡流损耗计算

在此基础上分析了局部过热问题并给出了相应的屏蔽措施

对屏蔽效果的影响因素进行分析

为变压器屏蔽的合理设计提供了参考依据。

Abstract

In this paper

in order to analysis the magnetic leakage field and local overheating in large power transformer

magnetic leakage field and eddy current loss in a transformer tank walls and yoke clamps are computed by using three dimensional（3D） eddy current finite element method.On that basis

the local overheating is analyzed and the corresponding shielding measures are given.The influencing factors of shielding effectiveness are analyzed.Then some reference bases are provided for design of shielding in transformer.

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