多尺度和多物理场的电力电子变换器建模方法初探

刘运华; 张波; 谢帆; 丘东元; 陈艳峰

doi:10.7500/AEPS20190907004

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多尺度和多物理场的电力电子变换器建模方法初探

学术研究 | 更新时间：2025-06-16

- 多尺度和多物理场的电力电子变换器建模方法初探
- Preliminary Study on Modeling Methods with Multiscale and Multiphysics for Power Electronic Converters
- 电力系统自动化-方正平台 2020年44卷第16期页码：61-69
- 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：
  
  刘运华(1992—)，男，博士研究生，主要研究方向：电力电子系统的多尺度与多物理场建模，以及功率变换器的可靠性分析。E-mail：liuyunhua261314@163.com
  张波(1962—)，男，通信作者，教授，主要研究方向：非线性分析、电力电子变换器的建模与控制以及无线功率传输应用。E-mail：epbzhang@scut.edu.cn
  谢帆(1985—)，男，副教授，主要研究方向：电力电子电路的非线性动力学、电源和交流驱动器的控制。E-mail：epfxie@scut.edu.cn
- 基金信息：
  
  国家重点研发计划资助项目(2018YFB0905804)
- DOI：10.7500/AEPS20190907004
  中图分类号：
- 收稿日期：2019-09-07，
  
  修回日期：2019-12-25，
  
  网络出版日期：2020-06-17，
  
  纸质出版日期：2020-08-25
- 稿件说明：
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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.

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references

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