A novel quasi-Z-source indirect matrix converter

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

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Summary A new type of three-phase quasi-Z-source indirect matrix converter (QZS-IMC) is proposed in this paper. It uses a unique impedance network for achieving voltage-boost capability and making the input current in continuous conduction mode (CCM) to eliminate the input filter. The complete modulation strategy is proposed to operate the QZS-IMC. Meanwhile, a closed-loop DC-link peak voltage control strategy is proposed, and the DC-link peak voltage is estimated by measuring both the input and capacitor voltages. With this proposed technique, a high-performance output voltage control can be achieved with an excellent transient performance even if there are input voltage and load current variations. The controller is designed by using the small-signal model. Vector control scheme of the induction motor is combined with the QZS-IMC to achieve the motor drive. A QZS-IMC prototype is built in laboratory, and experimental results verify the operating principle and theoretical analysis of the proposed converter. The simulation tests of QZS-IMC based inductor motor drive are carried out to validate the proposed converter's application in motor drive.

Original languageEnglish
Pages (from-to)438-454
Number of pages17
JournalInternational Journal of Circuit Theory and Applications
Volume43
Issue number4
DOIs
Publication statusPublished - 1 Apr 2015
Externally publishedYes

Fingerprint

Matrix Converter
Voltage
Electric potential
Voltage control
Converter
Vector Control
Induction motors
Induction Motor
Capacitor
Conduction
Capacitors
Impedance
Closed-loop
Modulation
Matrix converters
Control Strategy
Theoretical Analysis
Eliminate
High Performance
Controllers

Keywords

  • AC small-signal analysis
  • DC-link voltage control
  • indirect matrix converter
  • quasi-Z-source network

ASJC Scopus subject areas

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

Cite this

A novel quasi-Z-source indirect matrix converter. / Liu, Shuo; Ge, Baoming; You, Xuyang; Jiang, Xinjian; Abu-Rub, Haitham; Peng, Fang Zheng.

In: International Journal of Circuit Theory and Applications, Vol. 43, No. 4, 01.04.2015, p. 438-454.

Research output: Contribution to journalArticle

Liu, Shuo ; Ge, Baoming ; You, Xuyang ; Jiang, Xinjian ; Abu-Rub, Haitham ; Peng, Fang Zheng. / A novel quasi-Z-source indirect matrix converter. In: International Journal of Circuit Theory and Applications. 2015 ; Vol. 43, No. 4. pp. 438-454.
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AB - Summary A new type of three-phase quasi-Z-source indirect matrix converter (QZS-IMC) is proposed in this paper. It uses a unique impedance network for achieving voltage-boost capability and making the input current in continuous conduction mode (CCM) to eliminate the input filter. The complete modulation strategy is proposed to operate the QZS-IMC. Meanwhile, a closed-loop DC-link peak voltage control strategy is proposed, and the DC-link peak voltage is estimated by measuring both the input and capacitor voltages. With this proposed technique, a high-performance output voltage control can be achieved with an excellent transient performance even if there are input voltage and load current variations. The controller is designed by using the small-signal model. Vector control scheme of the induction motor is combined with the QZS-IMC to achieve the motor drive. A QZS-IMC prototype is built in laboratory, and experimental results verify the operating principle and theoretical analysis of the proposed converter. The simulation tests of QZS-IMC based inductor motor drive are carried out to validate the proposed converter's application in motor drive.

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