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Abstract
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Multiport power DC-DC converters are commonly used to achieve power flow control across Renewable Energy Sources (RESs), battery ports, and load ports in distributed power generation systems. This article presents a comprehensive examination of several topologies of Multiport Converters (MPCs) that are connected with RESs, Energy Storage Systems (ESS), Electric Vehicles (EV), and DC microgrids. This work presents a thorough examination, comparisons, and evaluations of Non-isolated, Isolated and Partially Isolated MPCs with varying topologies for each type of isolation. Unique extensive comparative analysis is made in the converter architectures and features, including operating conditions, device count, efficiency, control strategy, prototype rating, power loss analysis, switching voltage stress, voltage gain, and number of ports. The MPCs are separated into smaller groups based on their respective architectures. Additionally, investigation on performance of different MPCs are carried out thereby benefits and shortcomings of the different topologies are discussed which result in recommendations for future research.
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