2023 Volume 143 Issue 1 Pages 78-79
As electric vehicle (EV) battery voltages are increasing from 400V to 600-800V, an on-board boost converter with 1.5X step-up conversion ratio is required to utilize existing 500V chargers. This paper proposes a zero-voltage switching (ZVS) resonant flying switched capacitor converter with 1.5X fixed step-up conversion ratio. The theoretical model of efficiency and circuit volume reveals that, in comparison with a conventional zero-current switching topology, the proposed ZVS converter achieves higher efficiency and reduced circuit volume by eliminating fixed losses of semiconductor devices. The experimental results of a 1-kW prototype agreed well in terms of efficiency and circuit volume, verifying the theoretical model.
The transactions of the Institute of Electrical Engineers of Japan.C
The transactions of the Institute of Electrical Engineers of Japan.B
The transactions of the Institute of Electrical Engineers of Japan.A
The Journal of the Institute of Electrical Engineers of Japan
