A dynamic coordination of microgrids

Nsilulu T. Mbungu, Mukwanga W. Siti, Ramesh C. Bansal, Raj M. Naidoo, A. Elnady, Ali A. Adam Ismail, Ahmed G. Abokhali and Abdul-Kadir Hamid

Applied Energy, 2025, vol. 377, issue PD, No S0306261924018695

Abstract: Sustainable energy resource implementation has several advantages in terms of energy efficiency, reliability, and resilience. However, there are still challenges with the power quality in suitable energy balance and acceptable voltage levels in the electrical network. Therefore, this study presents novel energy coordination for implementing grid-tied microgrids, including photovoltaic and battery energy storage systems. Thus, multi-agent modelling based on system analysis is implemented to formulate the dynamic performance of independent, interconnected and autonomous microgrids. Three optimal control schemes, including open-loop, closed-loop and model predictive control, are combined with the optimal power flow algorithm to dynamically coordinate each independent agent and the entire microgrid. The system results demonstrate that, by combining these strategies with several smart homes, the dynamic coordination of microgrids brings various benefits, such as important economic, environmental and operation performance indicators, voltage stability, power loss minimisation and power-saving. The validation of the designed approaches is bench-marked within a 33-bus IEEE network in the residential sector. The developed intelligent coordination structures achieve significant energy savings ranging from 23.99% to 36.14% while maintaining suitable system voltage levels and minimising power loss. Besides, the developed dynamic coordination offers an adequate scalability framework for an effective microgrid implementation.

Keywords: Key performance indicators; Energy management; Demand response; Model predictive control; Multi-agent system; Optimal control; Power flow analysis; Renewable energy; Smart grid; Voltage stability (search for similar items in EconPapers)
Date: 2025
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Citations: View citations in EconPapers (1)

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DOI: 10.1016/j.apenergy.2024.124486

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