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Analysis and Verification of a Wide Input Voltage PWM Converter with Variable Windings

Author

Listed:
  • Bor-Ren Lin

    (Department of Electrical Engineering, National Yunlin University of Science and Technology, Yunlin 640, Taiwan)

  • Ji-Wei Chang

    (Department of Electrical Engineering, National Yunlin University of Science and Technology, Yunlin 640, Taiwan)

Abstract

A three-leg pulse-width modulation converter with auxiliary windings is provided and investigated to realize wide voltage operation and zero voltage switching characteristics on power switches. The presented converter has three converter legs on the input-side and two sets of winding turns on the output-side. Owing to the on/off states of the three converter legs and the two sets of secondary winding turns, the proposed converter can be operated under three different equivalent circuits to have wide input voltage operation from 30V ~ 240V ( V in,max = 8 V in,min ). Compared with the multi-stage converters to realize wide input voltage operation, the proposed circuit topology has fewer circuit components and a simple control algorithm. Conventional duty cycle control with phase-shift between each converter leg is adopted to regulate load voltage and also accomplish zero voltage switching on active switches. The presented three-leg converter is tested with a laboratory circuit. Finally, experiments testify to the performance and validity of the presented converter.

Suggested Citation

  • Bor-Ren Lin & Ji-Wei Chang, 2020. "Analysis and Verification of a Wide Input Voltage PWM Converter with Variable Windings," Energies, MDPI, vol. 13(7), pages 1-21, April.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:7:p:1634-:d:340300
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    References listed on IDEAS

    as
    1. Bor-Ren Lin, 2019. "Implementation of a Parallel-Series Resonant Converter with Wide Input Voltage Range," Energies, MDPI, vol. 12(21), pages 1-18, October.
    2. Bor-Ren Lin & Guan-Hong Lin, 2018. "Frequency-Controlled Current-Fed Resonant Converter with No Input Ripple Current," Energies, MDPI, vol. 11(2), pages 1-13, February.
    3. Bor-Ren Lin & Guan-Yi Wu, 2018. "Bidirectional Resonant Converter with Half-Bridge Circuits: Analysis, Design, and Implementation," Energies, MDPI, vol. 11(5), pages 1-15, May.
    Full references (including those not matched with items on IDEAS)

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