Analysis on AC/DC Harmonic Coupling Characteristics of Converter Based on Harmonic State Space Modeling

Jinning WANG; Lei WANG; Xiaoqing HAN; Runquan MENG; Haixia GUO

doi:10.7500/AEPS20190409002

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Analysis on AC/DC Harmonic Coupling Characteristics of Converter Based on Harmonic State Space Modeling

Application Research | 更新时间：2025-06-16

- Analysis on AC/DC Harmonic Coupling Characteristics of Converter Based on Harmonic State Space Modeling
- Automation of Electric Power Systems Vol. 44, Issue 4, Pages: 159-167(2020)
- 作者机构：
  
  电力系统运行与控制山西省重点实验室(太原理工大学)，山西省太原市 030024
- 作者简介：
- 基金信息：
  
  National Key R&D Program of China;National Natural Science Foundation of China;Major Science and Technology Projects of Shanxi Province
- DOI：10.7500/AEPS20190409002
  CLC：
- Received：09 April 2019，
  
  Revised：2019-07-06，
  
  Published Online：13 November 2019，
  
  Published：25 February 2020
- 稿件说明：
移动端阅览
王晋宁,王磊,韩肖清等.基于谐波状态空间建模的变换器交直流谐波耦合特性分析[J].电力系统自动化,2020,44(04):159-167.

WANG Jinning,WANG Lei,HAN Xiaoqing,et al.Analysis on AC/DC Harmonic Coupling Characteristics of Converter Based on Harmonic State Space Modeling[J].Automation of Electric Power Systems,2020,44(04):159-167.
王晋宁,王磊,韩肖清等.基于谐波状态空间建模的变换器交直流谐波耦合特性分析[J].电力系统自动化,2020,44(04):159-167. DOI： 10.7500/AEPS20190409002.

WANG Jinning,WANG Lei,HAN Xiaoqing,et al.Analysis on AC/DC Harmonic Coupling Characteristics of Converter Based on Harmonic State Space Modeling[J].Automation of Electric Power Systems,2020,44(04):159-167. DOI： 10.7500/AEPS20190409002.

摘要

基于谐波状态空间(HSS)理论对变换器进行建模，深入分析了变换器交直流谐波耦合特性。首先，通过数学推导，采用HSS理论对三相AC/DC变换器拓扑进行建模。HSS模型将交直流侧的各次谐波包括在内，反映了各频次谐波变量的作用关系。其次，通过该模型推导变换器的谐波传递函数，建立耦合阻抗图，分析交直流谐波耦合特性。该模型根据微电网中常用的电压源型三相AC/DC变换器建立，给出了变换器交直流谐波耦合阻抗的全局关系，可探究变换器两侧各个频次的谐波特性，并用于变换器并联、级联等结构的谐波分析。最后，在PLECS平台中搭建电压源型三相AC/DC变换器模型，与HSS模型计算结果进行对比，并通过实验验证了所提模型与谐波耦合特性分析的准确性。

Abstract

A model of the AC/DC converter based on the harmonic state space (HSS) theory is developed

and the AC/DC harmonic coupling characteristics of the converter have been analyzed in depth. Firstly

through the mathematical derivation

the three-phase AC/DC converter is modeled based on the HSS theory. The HSS model includes each harmonic on the AC and DC sides

which reflects the relationship between the harmonic variables of each frequency. Secondly

the harmonic transfer function of the converter is deduced by the model

and the diagram of harmonic coupling impedance is established to analyze the AC/DC harmonic coupling characteristics. The model is built according to the voltage source three-phase AC/DC converter which is commonly used in microgrids. The full range of coupling characteristics between AC and DC side is illustrated

and can be used to explore the harmonic characteristics at all frequencies

and can also be applied in harmonic analysis of converter with parallel and cascaded structures. Finally

the simulation of the voltage source three-phase AC/DC converter is performed in PLECS

and it is compared with the HSS calculation results to verify the proposed model and the study of harmonic coupling characteristics. Furthermore

the proposed model and the conclusion of harmonic coupling characteristics are verified by experiments.

关键词

Keywords

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