Comparative evaluation of three Z-source/quasi-Z-source indirect matrix converters

Shuo Liu, Baoming Ge, Xinjian Jiang, Haitham Abu-Rub, Fang Zheng Peng

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Conventional matrix converters (MCs) have limited voltage gain that is less than 0.866, whether for direct MC (DMC) or indirect MC (IMC). Existing Z-source (ZS)/discontinuous quasi-Z-source (qZS) DMCs and ZS IMCs achieved larger than 0.866 voltage gain; however, the former inherited the complex commutation from DMC, and the latter involved a ZS network in dc link and led to non-all-silicon solution. In this paper, ZS and discontinuous qZS networks of existing ZS/qZS DMCs are used for an IMC topology for simplifying commutation and having high voltage gain, but they require extra input filter to reduce current harmonics. A new continuous qZS IMC is proposed, where a qZS network integrates the filtering function of the grid side; hence, additional input filter is avoided in the proposed continuous qZS IMC. Three new IMCs are compared in detail, in terms of voltage gain, current ripple, voltage ripple, inductor current and capacitor voltage stresses, ZS/qZS switch current and voltage stresses, filtering function, input current total harmonic distortion (THD), output voltage THD, and efficiency. Their control and modulation methods are presented to achieve the desired performances. Experimental comparisons verify the theoretical analysis and that the proposed continuous qZS IMC is a promising topology.

Original languageEnglish
Article number6881680
Pages (from-to)692-701
Number of pages10
JournalIEEE Transactions on Industrial Electronics
Volume62
Issue number2
DOIs
Publication statusPublished - 1 Feb 2015

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Electric potential
Electric commutation
Harmonic distortion
Topology
Matrix converters
Capacitors
Switches
Modulation
Silicon

Keywords

  • Direct matrix converter (DMC)
  • indirect matrix converter (IMC)
  • modulation
  • quasi-Z-source (qZS) inverter

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Computer Science Applications
  • Electrical and Electronic Engineering

Cite this

Comparative evaluation of three Z-source/quasi-Z-source indirect matrix converters. / Liu, Shuo; Ge, Baoming; Jiang, Xinjian; Abu-Rub, Haitham; Peng, Fang Zheng.

In: IEEE Transactions on Industrial Electronics, Vol. 62, No. 2, 6881680, 01.02.2015, p. 692-701.

Research output: Contribution to journalArticle

Liu, Shuo ; Ge, Baoming ; Jiang, Xinjian ; Abu-Rub, Haitham ; Peng, Fang Zheng. / Comparative evaluation of three Z-source/quasi-Z-source indirect matrix converters. In: IEEE Transactions on Industrial Electronics. 2015 ; Vol. 62, No. 2. pp. 692-701.
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