A novel single-stage high-power-factor high-efficiency ac-to-dc resonant converter

  title={A novel single-stage high-power-factor high-efficiency ac-to-dc resonant converter},
  author={Hung-Liang Cheng and Kuo-Hsing Lee and Yan-Cun Li and Chin-Sien Moo},
  journal={2008 IEEE 2nd International Power and Energy Conference},
This paper proposes a novel single-stage AC-to-DC resonant converter featuring a high power factor and high efficiency. The conversion circuit is of symmetrical topology which is obtained from the integration of a diode-bridge rectifier, a boost-type power factor corrector (PFC) and a half-bridge resonant converter. Two diodes of the diode-bridge rectifier are replaced by active power switches shared by the PFC and the resonant converter. By appropriately controlling the frequency of the active… CONTINUE READING


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