Research on Vector Control Strategy for Decreasing Common Mode Interference

doi:10.13890/j.issn.1000-128x.2010.02.017

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Research on Vector Control Strategy for Decreasing Common Mode Interference

更新时间：2021-12-13

- Research on Vector Control Strategy for Decreasing Common Mode Interference
- Electric Drive for Locomotives Issue 2, Pages: 1-4(2010)
- 作者机构：
  
  1. 西南交通大学电气工程学院
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2010.02.017
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Research on Vector Control Strategy for Decreasing Common Mode Interference. [J]. Electric Drive for Locomotives (2):1-4(2010)
DOI：

Research on Vector Control Strategy for Decreasing Common Mode Interference. [J]. Electric Drive for Locomotives (2):1-4(2010) DOI： 10.13890/j.issn.1000-128x.2010.02.017.

摘要

通过分析三相四桥臂逆变器工作原理及工作模式，推导出三相四桥臂逆变器共模电压的计算公式，由此提出一种运用于三相四桥臂逆变器的改进型SVPWM调制技术。针对新的调制技术，运用Matlab/Simulink 进行建模仿真。仿真结果表明，采用三相四桥臂逆变器改进型SVPWM控制技术在不改变直流电压利用率和输出电流谐波含量的情况下，能有效地抑制变流器共模干扰。

Abstract

This paper derived the calculating formula of the common-mode voltage of three-phase four-leg inverter by analyzing the working principle and working mode of three-phase inverter with four bridge legs. Then the improved SVPWM modulation technology was proposed. The new modulation technology had been modeled and simulated by using Matlab/Simulink. The simulation result shows that the new SVPWM modulation technology applied in three-phase inverter with four bridge legs can restrain common mode interference effectively without changing DC voltage utilization and harmonic content of output current.

关键词

三相四桥臂逆变器共模干扰矢量控制SVPWM

Keywords

three-phase inverter with four bridge legscommon mode interferencevector controlSVPWM

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