ABSTRACT This work presents a bidirectional charger for high‐voltage batteries used in electric vehicles. The proposed charger achieves high efficiency over a wide output‐voltage range, enabling the charging of a 360‐V battery‐operated electric vehicle from a three‐phase AC power source. An modified single‐ended primary inductor converter (SEPIC) is employed as the backend DC‐DC conversion stage. The modified SEPIC offers enhanced bidirectional operation and a wide voltage conversion ratio between the input and output, ensuring effective battery current regulation for high‐power 360‐V electric vehicle applications. Compared with the conventional SEPIC topology, the proposed converter utilizes switches with identical voltage and current ratings, which reduces design complexity and improves system reliability. The performance of the proposed charger is experimentally validated using a 10‐kW hardware‐in‐the‐loop (HIL) laboratory setup. The charger is evaluated under multiple operating modes, including grid‐to‐vehicle (G2V) and vehicle‐to‐grid (V2G). Finally, the proposed SEPIC‐based charger is compared with conventional counterparts based on key operational performance metrics.
Prajapati et al. (Thu,) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: