High-power-factor soft-switched boost converter

  title={High-power-factor soft-switched boost converter},
  author={Yungtaek Jang and M. M. Jovanovic and Kung-Hui Fang and Yu-Ming Chang},
  journal={IEEE Transactions on Power Electronics},
A novel implementation of the high-power-factor (HPF) boost converter with active snubber is described. The snubber circuit reduces the reverse-recovery-related losses of the rectifier and also provides zero-voltage switching for the boost switch and zero-current switching for the auxiliary switch. The performance of the proposed approach was evaluated on an 80-kHz, 1.5-kW, universal-line range, HPF boost converter. The proposed technique improves the efficiency by approximately 2% at full load… CONTINUE READING
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