Experimental evaluation of model predictive current control for a modified three-level four-leg indirect matrix converter

Basri, Hazrul Mohamed and Mekhilef, Saad (2018) Experimental evaluation of model predictive current control for a modified three-level four-leg indirect matrix converter. IET Electric Power Applications, 12 (1). pp. 114-123. ISSN 1751-8660

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Official URL: https://doi.org/10.1049/iet-epa.2017.0079

Abstract

This study presents an experimental validation and robustness evaluation of predictive current control and reactive power minimisation strategy for a three-level three-phase four-wire indirect matrix converter. The proposed topology features a unification of conventional four-leg indirect matrix converter with an additional four switches circuit resembling a back-to-back buck circuit to synthesise multi-level variable dual dc-link voltage. A systematic rectifier switching strategy is elaborated to ensure positive fictitious dc-link voltage at any instant. The proposed control and topology have been tested under various transient and steady-state conditions for comprehensive robustness evaluation. The experimental results reveal an outstanding independent load current reference tracking with low ripple current and the reactive power minimisation has been achieved by tuning the weighting factor. The load current tracking and reactive power minimisation have been achieved by properly tuning the weighting factor. The load current harmonics distortion is recorded < 5% during normal operating conditions.

Item Type: Article
Uncontrolled Keywords: Experimental evaluation; Experimental validations; Indirect matrix converter; Normal operating conditions; Predictive current control; Robustness evaluation; Steady-state condition; Three phase four wire
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 13 Sep 2019 06:28
Last Modified: 13 Sep 2019 06:28
URI: http://eprints.um.edu.my/id/eprint/22338

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