Analysis of Transformer Winding Deformation Based on Magnetics-structure Coupled-field

WANG Nan; LIU Baocheng; ZANG Chunyan; LI Bingyang

doi:10.13296/j.1001-1609.hva.2016.01.016

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Analysis of Transformer Winding Deformation Based on Magnetics-structure Coupled-field

更新时间：2025-04-26

- Analysis of Transformer Winding Deformation Based on Magnetics-structure Coupled-field
- High VoltageApparatus Vol. 52, Issue 1, Pages: 94-100(2016)
- 作者机构：
  
  1. 天津市电力公司电力科学研究院
  2. 华中科技大学电气与电子工程学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2016.01.016
  CLC： TM403.3
- Published：2016
- 稿件说明：
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[1]王楠,刘宝成,臧春艳,李冰阳.基于磁——结构耦合场的变压器绕组形变分析[J].高压电器,2016,52(01):94-100.

WANG Nan, LIU Baocheng, ZANG Chunyan, et al. Analysis of Transformer Winding Deformation Based on Magnetics-structure Coupled-field[J]. High voltageapparatus, 2016, 52(1): 94-100.
[1]王楠,刘宝成,臧春艳,李冰阳.基于磁——结构耦合场的变压器绕组形变分析[J].高压电器,2016,52(01):94-100. DOI： 10.13296/j.1001-1609.hva.2016.01.016.

WANG Nan, LIU Baocheng, ZANG Chunyan, et al. Analysis of Transformer Winding Deformation Based on Magnetics-structure Coupled-field[J]. High voltageapparatus, 2016, 52(1): 94-100. DOI： 10.13296/j.1001-1609.hva.2016.01.016.

摘要

在短路电流作用下

变压器绕组受到电磁力发生形变

严重时会直接造成变压器损坏

影响系统安全运行。文中以有限元方法为研究基础

利用有限元软件建立变压器磁—结构耦合模型

实现变压器电磁场和结构场的仿真

进行绕组形变分析

对比现场频响分析法、短路阻抗法及绕组电容量法试验结果

验证了仿真模型的正确性

为变压器绕组形变检测与分析提供一种可靠的方法。

Abstract

Transformer winding deformation occurs under the effect of electromagnetic force due to short-circuit of transformer

which may damage the transformer and harm the safety of the power system when the deformation is large.In this paper

a finite element analysis software is used to build a magnetics-structure coupled model of transformer

then the electromagnetic field and structural field of the transformer are simulated to analyze the winding deformation. The results from frequency response analysis

short-circuit impedance test and winding capacitance measurement are compared to verify the correctness of the simulation. The conclusion obtained may provide a reliable method for detection and analysis of transformer winding deformation.

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