Performance Analysis and Comparison Between Predictive Current and Predictive Torque Control Applied to a DFIG-DC System

Lucas F. M. de Lucena; Victor F. M. B. Melo; Nady Rocha; Ruben da C. Ferreira; Marco Rivera

doi:10.18618/REP.e202530

Authors

Lucas F. M. de Lucena Universidade Federal da Paraíba https://orcid.org/0009-0001-6112-9647
Victor F. M. B. Melo Universidade Federal da Paraíba https://orcid.org/0000-0003-0907-0884
Nady Rocha Universidade Federal da Paraíba https://orcid.org/0000-0003-2885-3200
Ruben da C. Ferreira Universidade Federal da Paraíba https://orcid.org/0009-0001-8992-0449
Marco Rivera University of Nottingham https://orcid.org/0000-0002-4353-2088

DOI:

https://doi.org/10.18618/REP.e202530

Keywords:

DC microgrid, doubly-fed induction machine, predictive current control, predictive flux and torque control

Abstract

The expansion of DC microgrids has prompted investigations into wind energy systems to harness the benefits of this configuration.
Therefore, this study aims to analyze and compare the performances of predictive current control (PCC) and predictive flux and torque control (PTC) applied to a doubly-fed induction generator which has its stator windings connected to a DC microgrid by means of a diode bridge. This system is commonly known as DFIG-DC. The system's performance was evaluated in terms of electromagnetic torque ripple, rotor flux ripple, and current distortion across a range of operating speeds. Although PCC and PTC applied to DFIG-DC have been discussed in previous works, a systematic comparison between them lacks in the literature, which is the main contribution of this paper. In addition, this work discusses the robustness of both methods under parametric errors of stator and rotor resistances, and magnetizing inductance, which has not been approached before.

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Author Biographies

Lucas F. M. de Lucena, Universidade Federal da Paraíba

received the B.S. and M.S degree in electrical engineering from the Federal University of Paraíba, João Pessoa, Brazil, in 2021 and 2023, respectively. He is currently working toward the Ph.D. degree in electrical engineering with the Federal University of Campina Grande, Campina Grande, Brazil. His research interests include power electronics, power quality systems and electrical drives.

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

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.

Nady Rocha, Universidade Federal da Paraíba

received the B.S., M.S. and Ph.D. degrees in electrical engineering from the Federal University of Campina Grande, Brazil, in 2006, 2008 and 2010, respectively. Since 2011, he has been with the Department of Electrical Engineering, Federal University of Paraíba, João Pessoa, where he is currently an Associate Professor of Electrical Engineering. His research interests include power electronics, renewable energy sources, and electrical drives.

Ruben da C. Ferreira, Universidade Federal da Paraíba

received his B.S. degree in electrical engineering from the Federal University of Paraíba, João Pessoa, Brazil, in 2024. His research interests include power electronics, renewable energy sources and electrical drives.

Marco Rivera, University of Nottingham

received his Electronic Civil Engineering degree in 2007 and M.Sc. in Engineering with a specialization in Electrical Engineering in 2008 from the Universidad de Concepción, Chile. He subsequently earned his Ph.D. in Electronic Engineering from the Universidad Técnica Federico Santa María in Chile, where his doctoral work was recognized with the prestigious “Premio Tesis de Doctorado Academia Chilena de Ciencias 2012” for the best Ph.D. thesis in exact and natural sciences. He served as the Director of the Laboratory of Energy Conversion and Power Electronics (LCEEP) at the Universidad de Talca, Chile, where he was a Full Professor in the Department of Electrical Engineering. In April 2023, he joined the Power Electronics, Machines and Control (PEMC) Research Institute at the University of Nottingham, UK. Currently, he also serves as the Director of the FlexElec Laboratory within the PEMC Research Institute. With a research portfolio encompassing power electronics, renewable energy integration, advanced control strategies, microgrids, and hybrid energy systems, Prof. Rivera's work has had a profound impact on the development of advanced technologies for renewable energy and power electronics, earning him recognition as a leader in these domains.

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