Pre-processing Techniques for Additional Loss Calculation of Converter Transformer

ZHANG Wen-feng1; WANG Jian-min2; ZHANG Ping1; WANG You-hua1; JING Chong-you2

doi:10.13296/j.1001-1609.hva.2010.09.014

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Pre-processing Techniques for Additional Loss Calculation of Converter Transformer

更新时间：2025-04-26

- Pre-processing Techniques for Additional Loss Calculation of Converter Transformer
- High VoltageApparatus Vol. 46, Issue 9, Pages: 53-55+60(2010)
- 作者机构：
  
  1. 河北工业大学电气与自动化学院
  2. 保定天威集团有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2010.09.014
  CLC： TM42
- Published：2010
- 稿件说明：
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[1]张文峰,王建民,张萍,汪友华,景崇友.换流变压器附加损耗计算的前处理技术[J].高压电器,2010,46(09):53-55+60.

ZHANG Wen-feng1, WANG Jian-min2, ZHANG Ping1, et al. Pre-processing Techniques for Additional Loss Calculation of Converter Transformer[J]. High voltageapparatus, 2010, 46(9): 53-55+60.
[1]张文峰,王建民,张萍,汪友华,景崇友.换流变压器附加损耗计算的前处理技术[J].高压电器,2010,46(09):53-55+60. DOI： 10.13296/j.1001-1609.hva.2010.09.014.

ZHANG Wen-feng1, WANG Jian-min2, ZHANG Ping1, et al. Pre-processing Techniques for Additional Loss Calculation of Converter Transformer[J]. High voltageapparatus, 2010, 46(9): 53-55+60. DOI： 10.13296/j.1001-1609.hva.2010.09.014.

摘要

随着国内超高压和特高压直流输电系统的发展

超高压和特高压直流换流变压器需求量在不断增加

对其性能要求也愈来愈高。在换流变压器设计过程中

附加损耗是一项重要的参考指标。笔者针对实际工程中遇到的一些问题

基于Visual C++6.0编写了换流变压器附加损耗有限元计算软件。在Delaunay三角剖分网格初始化上采用了改进的单步迭代法

并实现了在多边形区域内采用直线内插法的自动剖分。采用Delaunay法与直线内插法相结合对一台换流变压器模型进行了网格剖分

实现了在油箱壁、夹件等狭长构件上的等宽剖分。有限元计算结果验证了网格剖分的正确性与可行性。该技术为在二维范围内较为精确的计算换流变压器附加损耗奠定了基础。

Abstract

The finite element calculation software for additional loss calculation of converter transformer was compiled based on Visual C++ 6.0.Improved single step iteration method was used in the initial triangulation for further Delaunay triangulation and automatic triangulation in polygon zone was realized with the method of linear interpolation.A transformer model was triangulated with the method of Delaunay triangulation combined with linear interpolation

and successfully triangulated in the narrow components such as transformer oil tank and clamping piece in a equivalent bandwidth way.The result of finite element analysis shows correctness and feasibility of the method of the mesh generation.The technology laid the foundation for more precise additional loss calculation of converter transformer in the context of two-dimensional way.

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