Development of an advanced current mode charging control strategy system for electric vehicle batteries

Liew Hui Fang, Muhammad Izuan Fahmi Romli, Rosemizi Abd Rahim, Muhammad Ezanuddin Abdul Aziz, Diyya Hidayah Abd Rahman, Habibah Haji Mokhtaruddin

Abstract


Electric vehicles (EVs) face customer hesitancy due to challenges in locating fast charging stations, lengthy recharging times, and incompatible charging ports. This research addresses these issues by proposing a novel current mode control strategy for EV battery charging. Traditional charging methods often result in suboptimal rates, battery degradation, and safety risks. The primary objective is to enhance charging efficiency, safety, and battery lifespan by optimizing parameters such as voltage and current. Control mode charging offers significant advantages over plug-in charging by minimizing stress factors that contribute to degradation, such as high temperatures and excessive charging cycles. This approach aims to extend the lifespan of EV batteries while ensuring safe, efficient, and fast charging. The control system offers three charging modes: slow (0.49 A, 6.31 W, 264 mins), medium (2.74 A, 34.85 W, 50 mins), and fast (4.62 A, 50.80 W, 30 mins) using a 12 V single-phase supply. This advanced strategy significantly improves EV charging system efficiency, with fast charging achieving 80% higher efficiency than slow charging in both simulations and experimental testing. The key contribution of this research is the development of a tailored current mode charging strategy that optimizes charging efficiency while ensuring battery longevity and safety.

Keywords


Battery; control charging system; electrical vehicle; power management strategy; state of charge

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DOI: http://doi.org/10.11591/ijpeds.v15.i4.pp2639-2650

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