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Efficient real-time cost management in renewable energy-powered microgrid with integrated electric vehicle charging/discharging control

Document Type : Reseach Article

Authors

Department of Electrical Engineering, Jamia Millia Islamia, New Delhi, India.

10.57647/j.mjee.2025.1902.33

Abstract

The rapid proliferation of electric vehicles (EVs) has significantly escalated the strain on the public grid by exacerbating fluctuations and hindering widespread EV adoption. This paper presents a cutting-edge solution with a real-time cost optimization model tailored for AC/DC microgrid energy management. Leveraging a unique hybridization of particle-swarm optimization (PSO) and grey wolf optimization (GWO), our approach dynamically orchestrates energy flow and EV charging schedules. The model has been developed using MATLAB 2022a.Thus, a non-linear stochastic mathematical programming model optimizes EV charging and distributed energy resources (DERs) generation costs. We scrutinize our model across medium scale microgrid IEEE- 37 Node systems—via real-time digital simulator (RTDS). Our multi-level control strategy ensures both immediate response to disturbances and long-term optimization, maintaining microgrid stability. Through meticulous real-time monitoring and control, our hybrid PSO-GWO algorithm delivers superior performance, slashing costs by $152.47 for medium scale microgrid while reducing execution time by 0.81 seconds as
compared to other metaheuristic algorithms. About 36.85% of the load is absorbed by EVs, with surplus power fed back to the main grid. This comprehensive approach not only enhances the cost-effectiveness but also fosters energy efficiency, affirming the efficacy of hybrid PSO-GWO in real-time microgrid management. 

Keywords

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Majlesi Journal of Electrical Engineering
Volume 19, Issue 2
June 2025
Pages 1-25
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