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Predictive Current Control for Three-Level Four-Leg Indirect Matrix Converter under Unbalanced Input Voltage

Cost functions; Electric current control; Electric rectifiers; Reactive power; Rectifying circuits; Robust control; Robustness (control systems); Ac/ac converters; Four-leg; Instantaneous reactive power; Multilevel converter; Predictive control; Predictive current control; Rectifier; Three-level; Un...

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Main Authors: Basri H.M., Mekhilef S.
Other Authors: 57065832800
Format: Article
Published: Institute of Electrical and Electronics Engineers Inc. 2023
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spelling my.uniten.dspace-271852023-05-29T17:40:39Z Predictive Current Control for Three-Level Four-Leg Indirect Matrix Converter under Unbalanced Input Voltage Basri H.M. Mekhilef S. 57065832800 57928298500 Cost functions; Electric current control; Electric rectifiers; Reactive power; Rectifying circuits; Robust control; Robustness (control systems); Ac/ac converters; Four-leg; Instantaneous reactive power; Multilevel converter; Predictive control; Predictive current control; Rectifier; Three-level; Unbalanced input voltage; Unbalanced voltages; Matrix converters In this paper, a robustness evaluation of model predictive current control with instantaneous reactive power minimization for a three-level four-leg indirect matrix converter is presented. Unbalanced voltages can be extremely dangerous, especially for motors and other inductive equipment. Unbalanced voltages can have a detrimental effect on equipment and the power system, which is exacerbated by the fact that a small phase voltage imbalance can result in a disproportionately large phase current imbalance. The robustness test is carried out by considering balance and unbalanced input voltages. The proposed control predicts the behavior of the load current and the instantaneous reactive power for every possible 96 switching states. Subsequently, it selects the optimum switching state which fulfils the objectives of the control without the need of modulators. The cost function has been adequately modified to consider the asymmetrical aspect of the input voltage. Experimental validation using a laboratory prototype was conducted by using FPGA under a wide range of input voltage unbalance. The experimental results show high fidelity load current reference tracking while maintaining relatively low instantaneous reactive power during the transient and steady-state condition. The percentage of reactive power after setting the optimal weighting factor, the average reactive power was found to reduce to approximately 10-20%. IEEE Article in Press 2023-05-29T09:40:39Z 2023-05-29T09:40:39Z 2022 Article 10.1109/JESTPE.2022.3179286 2-s2.0-85131743379 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85131743379&doi=10.1109%2fJESTPE.2022.3179286&partnerID=40&md5=0102f3b74b11ac72e1ca255976ff7744 https://irepository.uniten.edu.my/handle/123456789/27185 1 1 All Open Access, Green Institute of Electrical and Electronics Engineers Inc. Scopus
institution Universiti Tenaga Nasional
building UNITEN Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Tenaga Nasional
content_source UNITEN Institutional Repository
url_provider http://dspace.uniten.edu.my/
description Cost functions; Electric current control; Electric rectifiers; Reactive power; Rectifying circuits; Robust control; Robustness (control systems); Ac/ac converters; Four-leg; Instantaneous reactive power; Multilevel converter; Predictive control; Predictive current control; Rectifier; Three-level; Unbalanced input voltage; Unbalanced voltages; Matrix converters
author2 57065832800
author_facet 57065832800
Basri H.M.
Mekhilef S.
format Article
author Basri H.M.
Mekhilef S.
spellingShingle Basri H.M.
Mekhilef S.
Predictive Current Control for Three-Level Four-Leg Indirect Matrix Converter under Unbalanced Input Voltage
author_sort Basri H.M.
title Predictive Current Control for Three-Level Four-Leg Indirect Matrix Converter under Unbalanced Input Voltage
title_short Predictive Current Control for Three-Level Four-Leg Indirect Matrix Converter under Unbalanced Input Voltage
title_full Predictive Current Control for Three-Level Four-Leg Indirect Matrix Converter under Unbalanced Input Voltage
title_fullStr Predictive Current Control for Three-Level Four-Leg Indirect Matrix Converter under Unbalanced Input Voltage
title_full_unstemmed Predictive Current Control for Three-Level Four-Leg Indirect Matrix Converter under Unbalanced Input Voltage
title_sort predictive current control for three-level four-leg indirect matrix converter under unbalanced input voltage
publisher Institute of Electrical and Electronics Engineers Inc.
publishDate 2023
_version_ 1806424256001605632
score 13.214268

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