Common mode voltage reduction of quasi-Z source indirect matrix converter

Xuyang You, Baoming Ge, Shuo Liu, Ning Nie, Xinjian Jiang, Haitham Abu-Rub

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Quasi-Z source indirect matrix converter (IMC) combines both advantages of conventional IMC and quasi-Z source inverter, for example, no direct current (DC) link capacitor, compact all-silicon power converter, bidirectional power flow, input power factor controllable, and high voltage gain; moreover, it does not require additional input filter, because continuous quasi-Z source network integrates LC filter function. However, there is no literature to disclose common mode voltage (CMV) issue of quasi-Z source IMC. In this paper, for the first time, the CMV issue and reduction of quasi-Z source IMC are investigated. Firstly, the CMV of quasi-Z source IMC is analyzed when using current typical modulation method, which follows the brief introduction of topology and modulation method for quasi-Z source IMC, and the factors that affect the CMV are figured out; Secondly, referring to the CMV reduction methods of conventional IMC, two solutions named as Methods I and II to reduce the CMV for quasi-Z source IMC are developed, which are achieved in the inverter stage; the third CMV reduction method is proposed in the rectifier stage through redefining the six sectors of the rectifier stage, which can implement zero current commutation. Experimental bench is built to test three approaches for reducing the CMV of quasi-Z source IMC. Comparative evaluation is carried out between three methods and conventional modulation method. Experimental results verify that three methods can significantly reduce the CMV of quasi-Z source IMC, with the CMV peak value reduction of 42%, but they present different features in terms of input and output current THDs, switching loss, CMV root mean square (RMS) value, modulation index limitation, and so on.

Original languageEnglish
Pages (from-to)162-184
Number of pages23
JournalInternational Journal of Circuit Theory and Applications
Volume44
Issue number1
DOIs
Publication statusPublished - 1 Jan 2016

Fingerprint

Matrix Converter
Voltage
Electric potential
Modulation
Inverter
Reduction Method
Matrix converters
Filter
Power Converter
Power Flow
Electric commutation
Power converters
Silicon
Capacitor
Mean Square

Keywords

  • Common mode voltage
  • indirect matrix converter
  • quasi-Z source inverter
  • space vector modulation

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Common mode voltage reduction of quasi-Z source indirect matrix converter. / You, Xuyang; Ge, Baoming; Liu, Shuo; Nie, Ning; Jiang, Xinjian; Abu-Rub, Haitham.

In: International Journal of Circuit Theory and Applications, Vol. 44, No. 1, 01.01.2016, p. 162-184.

Research output: Contribution to journalArticle

You, Xuyang ; Ge, Baoming ; Liu, Shuo ; Nie, Ning ; Jiang, Xinjian ; Abu-Rub, Haitham. / Common mode voltage reduction of quasi-Z source indirect matrix converter. In: International Journal of Circuit Theory and Applications. 2016 ; Vol. 44, No. 1. pp. 162-184.
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