Power-Based Control with Feed-forward Disturbance Rejection for Battery-Assisted Quasi-Impedance Source Converter in Photovoltaic Systems

Marcello S. Neves; Luís G. B. Rolim; Laís F. Crispino; Leonardo F. da Silva

doi:10.18618/REP.e202534

Authors

Marcello S. Neves Federal Center for Technological Education Celso Suckow da Fonseca https://orcid.org/0000-0002-5398-7350
Luís G. B. Rolim Universidade Federal do Rio de Janeiro https://orcid.org/0000-0002-4639-1778
Laís F. Crispino Universidade Federal do Rio de Janeiro https://orcid.org/0000-0003-1508-3833
Leonardo F. da Silva Universidade Federal do Rio de Janeiro

DOI:

https://doi.org/10.18618/REP.e202534

Keywords:

Battery energy storage, photovoltaic generation, power-based control, quasi-impedance source converter

Abstract

This work presents an enhanced power-based control technique for controlling the battery current in a quasi-impedance source converter (qZSC) topology with a feed-forward control loop in order to improve disturbance rejection. Such topology can integrate a photovoltaic array and a battery storage system (BSS) using a single inverter bridge. However, the control strategies for managing the energy stored in the battery for this topology are vulnerable to disturbances in the photovoltaic power and have a high level of complexity, especially in terms of mathematical modeling. Therefore, the proposed control method aims to improve this functionality by implementing a cascade control based on the active power between the qZSC and the grid. Therefore, the dynamic model relating the battery current and the qZSC active power output will be demonstrated, as well as the respective closed-loop controller design. The simulation and control hardware-in-the-loop (C-HIL) results demonstrate the effectiveness of the proposed modeling and control technique.

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Author Biographies

Marcello S. Neves, Federal Center for Technological Education Celso Suckow da Fonseca

was born in Rio de Janeiro, RJ, Brazil, in 1992. He graduated in Electrical Engineering at the Federal University of Rio de Janeiro (UFRJ) in 2016. He received the M.Sc. degree in Electrical Engineering at COPPE/UFRJ in 2018. Currently, he works as an assistant professor at the Federal Center of Technological Education Celso Suckow da Fonseca (CEFET/RJ). His research interests include renewable energy resources, battery energy storage systems, power electronics applied to power systems, and embedded control systems.

Luís G. B. Rolim, Universidade Federal do Rio de Janeiro

was born in Niteroi, Brazil, in 1966. He received the B.Sc. and M.Sc. degrees from the Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil, in 1989 and 1993, respectively, and the Dr.-Ing. degree from the Technical University Berlin, Berlin, Germany, in 1997, all in electrical engineering. Since 1990, he has been a Faculty Member of the Department of Electrical Engineering, Escola Politecnica, UFRJ, where he teaches and conducts research on power electronics, drives, and microprocessor control. He authored more than 50 papers published in Brazilian and international technical journals and conference proceedings. Dr. Rolim is a member of the Power Electronics Research Group at COPPE/UFRJ.

Laís F. Crispino, Universidade Federal do Rio de Janeiro

was born in Niterói, RJ, Brazil, in 1990. Graduated in Electronic and Computing Engineering at Universidade Federal do Rio de Janeiro (UFRJ) in 2014, receiving the top grade student title. Received the M.Sc. degree in Electrical Engineering at COPPE/UFRJ in 2017 and the D.Sc. degree at the same institution in 2021. Currently, she is a Faculty Member of the Department of Electrical Engineering, Escola Politecnica, UFRJ, where she teaches and conducts research on power electronics applied to distributed generation systems, microgrids, HVDC systems and drives, and associated controls.

Leonardo F. da Silva, Universidade Federal do Rio de Janeiro

received the B.Sc. degree in electrical engineering from the Rio de Janeiro State University (UERJ), Rio de Janeiro, Brazil, in 2017, and the M.Sc. degree in electrical engineering from the Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil, in 2022. Since 2023, he has been working toward the D.Sc. degree in power electronics at the Department of Electrical Engineering, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil. Since 2005, he has been involved in research projects with the Laboratory of Energy Management Technologies (LEMT) at the Alberto Luiz Coimbra Institute for Graduate Studies and Research in Engineering (COPPE/UFRJ). His research interests include power electronics, distributed generation, power quality, renewable energy systems, flexible AC transmission systems (FACTS), high-voltage direct current (HVDC) systems, and active filters.

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