| Title |
A High-Efficiency V2L Control Strategy for an 11 [kW] Interleaved Totem-Pole PFC Converter in Electric Vehicle OBC Applications |
| Authors |
안동혁(Dong-Hyuk Ahn) ; 김채린(Chae-Lyn Kim) ; 이도현(Do Hyeon Lee) ; 이병국(Byoung-Kuk Lee) |
| DOI |
https://doi.org/10.5370/KIEE.2026.75.7.1489 |
| Keywords |
Electric vehicle (EV); On-board charger (OBC); Interleaved totem-pole PFC converter; vehicle-to-load (V2L); high efficiency |
| Abstract |
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. |