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A Step Up/Down Power-Factor-Correction Converter with Modified Dual Loop Control

Author

Listed:
  • Yi-Hung Liao

    (Department of Electrical Engineering, National Central University, Taoyuan City 32001, Taiwan)

Abstract

A step up/down AC/DC converter with modified dual loop control is proposed. The step up/down AC/DC converter features the bridgeless characteristic which can reduce bridge-diode conduction losses. Based on the step up/down AC/DC converter, a modified dual loop control scheme is proposed to achieve input current shaping and output voltage regulation. Fewer components are needed compared with the traditional bridge and bridgeless step up/down AC/DC converters. In addition, the intermediate capacitor voltage stress can be reduced. Furthermore, the top and bottom switches still have zero-voltage turn-on function during the negative and positive half-line cycle, respectively. Hence, the thermal stresses can also be reduced and balanced. Simulation and experimental results are provided to verify the validity of the proposed step up/down AC/DC converter and its control scheme.

Suggested Citation

  • Yi-Hung Liao, 2020. "A Step Up/Down Power-Factor-Correction Converter with Modified Dual Loop Control," Energies, MDPI, vol. 13(1), pages 1-16, January.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:1:p:199-:d:304123
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    Cited by:

    1. Teen-Hang Meen & Wenbing Zhao & Cheng-Fu Yang, 2020. "Special Issue on Selected Papers from IEEE ICKII 2019," Energies, MDPI, vol. 13(8), pages 1-5, April.

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