Coordinated Control of Flywheel and Battery Energy Storage Systems for Frequency Regulation in Diesel Generator-Based Microgrid
Faraji M. Saeed Mahdavi M. Nurmanova V. Gharehpetian G.B. Bagheri M.
2025Institute of Electrical and Electronics Engineers Inc.
IEEE Access
2025#1365980 - 65996 pp.
Due to the inherent slow response time of diesel generators within an islanded microgrid (MG), their frequency and voltage control systems often struggle to effectively manage rapid load changes. To mitigate this challenge, energy storage systems (ESSs) emerge as pivotal solutions. Flywheel energy storage systems (FESSs) are well-suited for handling sudden power fluctuations because they can quickly deliver or absorb large amounts of electricity. On the other hand, battery energy storage systems (BESSs) excel at storing large amounts of energy for extended periods and can handle gradual changes in power demand. This research introduces a coordinated control mechanism for a mixed energy storage setup that combines BESS and FESS elements to manage the frequency of a standalone MG. A new frequency detection method is employed to assign high, medium, and low-frequency deviations in power distribution to FESS, BESS, and diesel generators, respectively. Simulations are carried out to determine the exact performance of the proposed control method. The MATLAB/Simulink software platform is used to run these simulations. Furthermore, dynamic load changes are precisely emulated using a programmable load emulator enhancing the reliability and relevance of our analysis.
battery energy storage system , diesel generator emulator , flywheel energy storage system , frequency regulation , Microgrid
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Amirkabir University of Technology (AUT), Department of Electrical Engineering, Tehran, 15916-34311, Iran
Isfahan University of Technology, Department of Electrical Engineering, Isfahan, 84156-83111, Iran
Nazarbayev University, School of Engineering and Digital Sciences, Department of Electrical and Computer Engineering, Astana, 010000, Kazakhstan
Amirkabir University of Technology (AUT)
Isfahan University of Technology
Nazarbayev University
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