Harmonic Analysis and Inductance Design for Line Converter of CRH2 EMUs

ZHANG Zhi-bing; ZHANG Zhi-xue; YAO Zhong-hong

doi:10.13890/j.issn.1000-128x.2012.02.027

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Harmonic Analysis and Inductance Design for Line Converter of CRH2 EMUs

更新时间：2021-12-13

- Harmonic Analysis and Inductance Design for Line Converter of CRH2 EMUs
- Electric Drive for Locomotives Issue 2, Pages: 65-69(2012)
- 作者机构：
  
  1. 株洲南车时代电气股份有限公司技术中心,湖南,株洲,412001
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2012.02.027
  CLC：
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ZHANG Zhi-bing, ZHANG Zhi-xue, YAO Zhong-hong. Harmonic Analysis and Inductance Design for Line Converter of CRH2 EMUs. [J]. Electric Drive for Locomotives (2):65-69(2012)
DOI：

ZHANG Zhi-bing, ZHANG Zhi-xue, YAO Zhong-hong. Harmonic Analysis and Inductance Design for Line Converter of CRH2 EMUs. [J]. Electric Drive for Locomotives (2):65-69(2012) DOI： 10.13890/j.issn.1000-128x.2012.02.027.

摘要

CRH2型动车组网侧变流器采用单相三电平拓扑结构。以单相二电平网侧变流器输入电压的谐波计算为基础，进而分析单相三电平网侧变流器输入电压和输入电流的谐波特性，最后研究了影响其输入电流谐波畸变率的因素，并详细介绍了电感设计原理。MATLAB 仿真和试验结果与理论分析一致。

Abstract

Line converter of CRH2 EMUs was constituted of single-phase three-level topological structure. Based on the calculation of single-phase two-level converter input harmonic, harmonic characteristic of single-phase three-level converter input voltage & current was analyzed. The factors impacting THD of converter input current were studied, and the input inductance design principle was expounded. Results of simulation with MATLAB and practical test validated the theoretical analysis.

关键词

网侧变流器三电平谐波分析谐波畸变率CRH2 型动车组

Keywords

line converterthree-levelharmonic analysisTHDCRH2 EMUs

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