Preliminary Study on Modeling Methods with Multiscale and Multiphysics for Power Electronic Converters

Yunhua LIU; Bo ZHANG; Fan XIE; Dongyuan QIU; Yanfeng CHEN

doi:10.7500/AEPS20190907004

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Preliminary Study on Modeling Methods with Multiscale and Multiphysics for Power Electronic Converters

Basic Research | 更新时间：2025-06-16

- Preliminary Study on Modeling Methods with Multiscale and Multiphysics for Power Electronic Converters
- Automation of Electric Power Systems Vol. 44, Issue 16, Pages: 61-69(2020)
- 作者机构：
  
  华南理工大学电力学院，广东省广州市 510640
- 作者简介：
- 基金信息：
  
  National Key R&D Program of China
- DOI：10.7500/AEPS20190907004
  CLC：
- Received：07 September 2019，
  
  Revised：2019-12-25，
  
  Published Online：17 June 2020，
  
  Published：25 August 2020
- 稿件说明：
移动端阅览
刘运华,张波,谢帆等.多尺度和多物理场的电力电子变换器建模方法初探[J].电力系统自动化,2020,44(16):61-69.

LIU Yunhua,ZHANG Bo,XIE Fan,et al.Preliminary Study on Modeling Methods with Multiscale and Multiphysics for Power Electronic Converters[J].Automation of Electric Power Systems,2020,44(16):61-69.
刘运华,张波,谢帆等.多尺度和多物理场的电力电子变换器建模方法初探[J].电力系统自动化,2020,44(16):61-69. DOI： 10.7500/AEPS20190907004.

LIU Yunhua,ZHANG Bo,XIE Fan,et al.Preliminary Study on Modeling Methods with Multiscale and Multiphysics for Power Electronic Converters[J].Automation of Electric Power Systems,2020,44(16):61-69. DOI： 10.7500/AEPS20190907004.

摘要

针对电力电子变换器建模中存在多尺度交互难以划分和综合的问题，将多尺度概念引入建模过程，提出适用于电力电子变换器的尺度划分方法及多尺度建模方法，进而为解决尺度间信息交互的收敛性问题，以及计算精度与计算效率之间的矛盾，提出多尺度模型的尺度交互策略，并通过程序调用MATLAB与COMSOL软件实现了典型变换器的多尺度仿真。最后，通过与理想模型的对比，说明应用多尺度建模及尺度交互策略的方法，可以有效地反映出电力电子变换器中多尺度和多物理场现象。研究结果表明，多尺度模型是对电力电子变换器进行描述的一般形式，而理想模型是多尺度模型的一个特例。

Abstract

In view of the problems that multiscale interaction is difficult to be separated and integrated in the modeling process of power electronic converters

by introducing the multiscale concept into the modeling process

a scale division method and a multiscale modeling method suitable for power electronic converters are proposed. Furthermore

in order to solve the convergence problem of information interaction between scales

and the contradiction between calculation accuracy and calculation efficiency

an interaction strategy for multiscale model is proposed

and the multiscale simulation of typical converters is realized by calling MATLAB and COMSOL software. Finally

compared with the ideal model

the multiscale modeling method and the interaction strategy can effectively reflect the multiscale and multiphysics phenomena in power electronic converters. The results show that the multiscale model is a general description of power electronic converters

and the ideal model is a special case of the multiscale model.

关键词

Keywords

references

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