Design and analysis of multiple input non-isolated DC-DC converter for fast charging station of electric vehicles
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In the last decade, multi-input DC-DC converters have been studied in various research areas related to plug-in vehicles, hybrid electric vehicles, and renewable energy applications. They have several advantages over conventional converters, such as reducing the number of components and the power conversion stages and centralizing the control. This research discusses a multi-input non-isolated converter in different operation modes to enhance the energy management of the fast-charging station of electric vehicles. The converter has a modular design with effective control functions. The converter was integrated into the proposed fast-charging station and simulated using MATLAB/Simulink in different operation modes, and the different losses of the converter and its efficiency are analyzed. The simulation results were verified by testing the converter at an experimental setup with a low power rate of 100 W. The results show an excellent performance of the proposed converter and verified the topology and the switching sequence of the converter.