Experimental Assessment of Finite Control Set - Model Predictive Control Applied to a Dual-Converter-Based Rectifier With a Floating DC link

Liane M. de Oliveira; Victor F. M. B. Melo; Iaryssa P. Teles; Emerson de L. Soares; Edison R. C. da Silva; Bruna S. Gehrke; Edgard L. L. Fabrício; Gilielson F. da Paz

doi:10.18618/REP.e202512

Authors

Liane M. de Oliveira Universidade Federal da Paraíba https://orcid.org/0009-0002-2848-9509
Victor F. M. B. Melo Universidade Federal da Paraíba https://orcid.org/0000-0003-0907-0884
Iaryssa P. Teles Universidade Federal da Paraíba
Emerson de L. Soares Universidade Federal de Campina Grande https://orcid.org/0000-0002-9757-1867
Edison R. C. da Silva Universidade Federal da Paraíba
Bruna S. Gehrke Universidade Federal da Paraíba https://orcid.org/0000-0001-8723-806X
Edgard L. L. Fabrício Instituto Federal de Educação Ciência e Tecnologia da Paraíba https://orcid.org/0000-0003-1124-0483
Gilielson F. da Paz Universidade Federal de Campina Grande https://orcid.org/0000-0002-5757-7439

DOI:

https://doi.org/10.18618/REP.e202512

Keywords:

FCS-MPC, Floating DC link, Open-End Rectifier, Dual Converter, Model Predictive Control, Low Computation Burden

Abstract

This paper proposes a reduced-computation-burden Finite Control Set - Model Predictive Control (FCS-MPC) applied to a dual-converter-based rectifier with a floating DC link. The main goal of this paper is providing a proof of concept of the discussed system employing the proposed FCS-MPC, highlighting its feasibility, simple multivariable control and straightforward implementation. The proposed FCS-MPC reduces the number of tested vectors from the available 64 to only nine, efficiently controlling grid currents and floating DC-link voltage. To evaluate the performance, steady- and transient-state simulations were carried out to compare the proposed FCS-MPC with the conventional PI-based method. The results indicate that FCS-MPC provides a better dynamic response than the PI-based method. However, its total harmonic distortion (THD) at the same sampling frequency is higher, as the PI-based method benefits from a modulation stage that reduces the current ripple. Additionally, the proposed FCS-MPC shows significantly lower switching losses than the PI-based approach. On the other hand, for the same switching frequency, the proposed FCS-MPC presents a somewhat higher, but similar THD and losses values to the PI-based method. Experimental results further validate the feasibility of the proposed FCS-MPC, reinforcing its potential as an efficient alternative to traditional control strategies in dual-converter-based-rectifier.

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Author Biographies

Liane M. de Oliveira , Universidade Federal da Paraíba

Energies Engineering from the Federal University of Paraíba in 2022 and 2024, respectively. Her current research interests are optimization algorithms for battery energy management systems.

Victor F. M. B. Melo, Universidade Federal da Paraíba

was born in Pesqueira, Brazil, in 1988. He received the B.S., M.S., and Ph.D. degrees in electrical engineering from the Federal University of Campina Grande, Campina Grande, Brazil, in 2012, 2013, and 2017, respectively. From October 2014 to June 2018, he was with the Federal Institute of Technology of Pernambuco, Afogados da Ingazeira, Brazil, where he was a Professor. Since June 2018, he has been with Renewable Energy Engineering Department, Federal University of Paraíba, João Pessoa, Brazil, where he is currently a Professor. His current research interests are multiphase drives, wind energy systems, and converter topologies.

Iaryssa P. Teles, Universidade Federal da Paraíba

received her B.S. degree in Renewable Energies Engineering from the Federal University of Paraíba in 2024 and she is currently working in the solar energy sector, focusing on optimizing processes in the customer service area.

Emerson de L. Soares , Universidade Federal de Campina Grande

was born in João Pessoa, Paraíba, Brazil, in 1987. He received the B.S. degree in electrical engineering from the Federal Institute of Education, Science and Technology, João Pessoa, Brazil, in 2016, the M.S. degree from the Federal University of Paraíba, João Pessoa, in 2018, and the Ph.D. degree in electrical engineering from the Federal University of
Campina Grande, Brazil, in 2023. His research interests include electrical drives and wind energy conversion systems.

Edison R. C. da Silva, Universidade Federal da Paraíba

received the B.S. degree from the Polytechnic School of Pernambuco, Recife, Brazil, in 1965, the M.S. degree from the University of Rio de Janeiro, Brazil, in 1968, and the Dr. Eng. degree from the University Paul Sabatier, Toulouse, France, in 1972. He was with the Department of Electrical Engineering from 2002 to 2012. He is currently Professor Emeritus with both the Federal University of Paraíba, João Pessoa, Brazil, and the Federal University of Campina Grande (UFCG), Campina Grande, Brazil. He was the Director of the Research Laboratory on Industrial Electronics and Machine Drives with UFCG for 30 years. Past President of the Brazilian Society on Automatic Control, SBA, he is recognized as an Expert in power electronic converters being the co-author of the book Advanced Power Electronics Converters: PWM Converters Processing AC Voltages, Wiley-IEEE Press. His research interests include within the field of power electronics are converter structures and their commands, their application in machine drive and renewable energy systems, and fault-tolerant converters. He is also the Member of the SOBRAEP, SBA, and four IEEE Societies.

Bruna S. Gehrke, Universidade Federal da Paraíba

was born in Ijuí, Brazil, in 1992. She received the B.S. degree in electrical engineering from the Regional University of Northeast of Rio Grande do Sul (UNIJUÍ), Ijuí, Brazil, in 2016, and the M.S. and D.Sc. degrees in electrical engineering from the Federal University of Campina Grande, Campina Grande, Brazil, in 2019 and 2023, respectively. She is currently a Postdoctoral Researcher with Federal University of Paraíba, João Pessoa, Brazil. Her research interests include multilevel converters, electrical drives, and modulation techniques.

Edgard L. L. Fabrício, Instituto Federal de Educação Ciência e Tecnologia da Paraíba

was born in João Pessoa, Paraíba, Brazil, in 1986. He received the B.S., M.S., and Ph.D. degrees in electrical engineering from the Federal University of Campina Grande, Brazil, in 2010, 2011, and 2015, respectively. Since 2012, he has been with the Academic Unity of Control and Industrial Processes, Federal Institute of Paraíba, João Pessoa, where he is currently a Professor of electrical engineering. His research interests include power electronics, energy systems, active power filter, and electrical drives.

Gilielson F. da Paz, Universidade Federal de Campina Grande

was born in João Pessoa, Paraíba, Brazil, in 1988. He received the B.S. degree in electrical engineering from the Federal Institute of Education, Science and Technology of Paraíba, João Pessoa, Brazil, in 2018 and Master’s Degree from the Federal University of Paraíba, in 2020. He is currently a PHD Degree student at the Federal University of Campina Grande in the power electronics area. His interests include modeling and control of multiphase machines, machine drives, DC-AC power conversion, renewable energy sources, Converters AC-DC-AC, Unified Power Quality Conditioner and Active Filters.

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