Modeling and Control-Tuning of a Single-Stage MMC-Based BESS

Jonathan H. D. G. Pinto, Allan Fagner Cupertino (), Heverton Augusto Pereira and Seleme Issac Seleme
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Jonathan H. D. G. Pinto: Graduate Program in Electrical Engineering, Federal University of Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
Allan Fagner Cupertino: Department of Materials Engineering, Federal Center for Technological Education of Minas Gerais, Belo Horizonte 30421-169, MG, Brazil
Heverton Augusto Pereira: Department of Electrical Engineering, Federal University of Viçosa, Viçosa 36570-900, MG, Brazil
Seleme Issac Seleme: Department of Electronic Engineering, Federal University of Minas Gerais, Belo Horizonte 31270-901, MG, Brazil

Energies, 2023, vol. 16, issue 3, 1-28

Abstract: In recent years, the integration of battery energy storage systems (BESSs) with multilevel modular converters (MMCs) has received interest in power system applications. In this work, this configuration is called a MMC-based BESS. The batteries are connected directly to the MMCs on submodules (SMs), called the single-stage approach. Several control strategies have been proposed to guarantee the proper operation of a MMC-based BESS. This system is complex due to the control strategy. Another challenge is in obtaining the controller gains for a MMC-based BESS converter. In this sense, there is a gap in the methodology used to calculate the controller gains. Thus, this work aimed to tune the analytical expressions of a MMC-based BESS by considering the single-stage approach. The methodology is validated through detailed simulation models of 10.9 MVA/5.76 MWh connected to a 13.8 kV power system. Finally, to validate the dynamics of the controllers, the simulation results in the PLECS software for the charging and discharging processes are presented.

Keywords: batteries; control-tuning; dynamic modeling; MMC-based BESS (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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