Calculation Program for Additional Loss of HV Converter Transformer Based on Advancing Front Method

ZHANG Ping; ZHANG Hongwei; YAN Tao; LI Ting

doi:10.13296/j.1001-1609.hva.2019.03.010

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Calculation Program for Additional Loss of HV Converter Transformer Based on Advancing Front Method

更新时间：2025-04-26

- Calculation Program for Additional Loss of HV Converter Transformer Based on Advancing Front Method
- High VoltageApparatus Vol. 55, Issue 3, Pages: 65-70+77(2019)
- 作者机构：
  
  河北工业大学控制科学与工程学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2019.03.010
  CLC： TM40
- Published：2019
- 稿件说明：
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[1]张萍,张宏伟,闫涛,李婷.基于波前推进法的高压换流变压器附加损耗计算程序[J].高压电器,2019,55(03):65-70+77.

ZHANG Ping, ZHANG Hongwei, YAN Tao, et al. Calculation Program for Additional Loss of HV Converter Transformer Based on Advancing Front Method[J]. High voltageapparatus, 2019, 55(3): 65-70+77.
[1]张萍,张宏伟,闫涛,李婷.基于波前推进法的高压换流变压器附加损耗计算程序[J].高压电器,2019,55(03):65-70+77. DOI： 10.13296/j.1001-1609.hva.2019.03.010.

ZHANG Ping, ZHANG Hongwei, YAN Tao, et al. Calculation Program for Additional Loss of HV Converter Transformer Based on Advancing Front Method[J]. High voltageapparatus, 2019, 55(3): 65-70+77. DOI： 10.13296/j.1001-1609.hva.2019.03.010.

摘要

随着国家电网日新月异的发展建设

直流输变电系统对高压换流变压器的性能提出了更高的要求。采用有限元法分析计算换流变压器损耗时

剖分方法的选择将直接影响计算精度。文中提出有限元计算程序HG-2D计算高压换流变压器的附加损耗

HG-2D采用波前推进法实现网格自适应剖分

并对网格进行了加密和Laplace光滑处理。最后对高压换流变压器ZZDFPZ-278 MVA/500 kV进行有限元计算

在额定分接下计算了单侧绕组各次谐波涡流损耗

绕组基波涡流损耗与实测值的最大误差为3.28%

小于某商业软件的9.3%

证明了算法的正确性和可行性。

Abstract

With the development of State Grid

HVDC transmission system requires better performance of HV con-verter transformer. The finite element method is used for additional loss calculation of HV converter transformer

mesh generation method will influence the result of calculation. The finite element calculation software HG-2D mentioned in this paper is to calculate the converter transformer additional loss

advancing front method is applied to realize adaptive subdivision mesh

mesh refinement and the Laplace method are used for mesh smoothing. Last-ly the given HV converter transformer ZZDFPZ-278 MVA/500 kV is calculated by finite element method. Eddy current loss of single-column winding is calculated under maximal tapping

comparing with the measured values

the maximum error of HG-2D is 3.28%

much less than 9.3% of a commercial software

which proves the correct-ness and feasibility of the proposed program.

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