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Manufacturers offer chargers, with a range of products and varying prices, applications, and functionality. However, there exist several design challenges regarding the size, charging time, rated power and efficiency. In this research, a new charger topology is proposed to address these knowledge gabs. This new topology incorporates ac/dc stage via a single-phase totem pole PFC stage interfaced with power grid. This stage offers a unity power factor with high quality regulated DC output voltage. In addition, wide band gab devices, i.e., GaN and SiC, are explored to realize high efficiency and performance operation. The ac/dc stage is followed by distributed generators (DGs) agent as PV system and fuel cell storage and battery energy storage system. DG’s serve as power capacity increase to power supplied from grid. The DGs are controlled individually via a separate bidirectional dc/dc converter to manage the power intelligently. Simulation results under 30 kW EV demand power is obtained at two different operation modes. The results highlight the effectiveness of the proposed energy management system in dynamically coordinating power flow among the utility grid and the distributed energy sources to satisfy the EV charging power demand.
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Alhuwaishel et al. (2026) studied this question.
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