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Investigates high-efficiency V2L operation in electric vehicle applications, highlighting improved control algorithms.
This paper proposes a control algorithm for achieving high-efficiency V2L operation over the entire load range in an 11-kW 2ph. Totem-pole PFC converter for electric vehicle on-board charger (OBC). To this end, the operating principles, key characteristics, and loss mechanisms of Full-bridge, Totem-pole, and interleaved Totem-pole control schemes are analyzed. Based on simulation-based comparative analyses of total harmonic distortion (THD) and power losses, the optimal control strategy is determined for each load condition, and a high-efficiency V2L control algorithm is developed accordingly. Finally, a hardware prototype of the 11 [kW] PFC converter is built, and experimental results under various load conditions are presented to validate the effectiveness of the proposed control algorithm.
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Ahn et al. (2026) studied this question.
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