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A New Bridgeless High Step-up Voltage Gain PFC Converter with Reduced Conduction Losses and Low Voltage Stress

Author

Listed:
  • Xiang Lin

    (State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi’an Jiaotong University, Xi’an 710049, China)

  • Faqiang Wang

    (State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi’an Jiaotong University, Xi’an 710049, China
    School of Electrical, Electronic and Computer Engineering, The University of Western Australia, Crawley W.A. 6009, Australia)

  • Herbert H. C. Iu

    (School of Electrical, Electronic and Computer Engineering, The University of Western Australia, Crawley W.A. 6009, Australia)

Abstract

Bridgeless power factor correction (PFC) converters have a reduced number of semiconductors in the current flowing path, contributing to low conduction losses. In this paper, a new bridgeless high step-up voltage gain PFC converter is proposed, analyzed and validated for high voltage applications. Compared to its conventional counterpart, the input rectifier bridge in the proposed bridgeless PFC converter is completely eliminated. As a result, its conduction losses are reduced. Also, the current flowing through the power switches in the proposed bridgeless PFC converter is only half of the current flowing through the rectifier diodes in its conventional counterpart, therefore, the conduction losses can be further improved. Moreover, in the proposed bridgeless PFC converter, not only the voltage stress of power switches is lower than the output voltage, but the voltage stress of the output diodes is lower than the conventional counterpart. In addition, this proposed bridgeless PFC converter features a simple circuit structure and high PFC performance. Finally, the proposed bridgeless PFC converter is analyzed and designed in the discontinuous conduction mode (DCM). The simulation results are presented to verify the effectiveness of the proposed bridgeless PFC converter.

Suggested Citation

  • Xiang Lin & Faqiang Wang & Herbert H. C. Iu, 2018. "A New Bridgeless High Step-up Voltage Gain PFC Converter with Reduced Conduction Losses and Low Voltage Stress," Energies, MDPI, vol. 11(10), pages 1-13, October.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:10:p:2640-:d:173451
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    References listed on IDEAS

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    1. AL-Kaabi, Aysha Kemadish & Fardoun, Abbas A. & Ismail, Esam H., 2013. "Bridgeless high voltage battery charger PFC rectifier," Renewable Energy, Elsevier, vol. 56(C), pages 24-31.
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    Cited by:

    1. Miguel Ramirez-Carrillo & Susana Ortega-Cisneros & Julio C. Rosas-Caro & Jorge Rivera & Jesus E. Valdez-Resendiz & Jonathan C. Mayo-Maldonado & Antonio Valderrabano-Gonzalez, 2022. "A Step-Up Converter with Large Voltage Gain and Low Voltage Rating on Capacitors," Energies, MDPI, vol. 15(21), pages 1-19, October.
    2. Oswaldo Lopez-Santos & Alejandro J. Cabeza-Cabeza & Germain Garcia & Luis Martinez-Salamero, 2019. "Sliding Mode Control of the Isolated Bridgeless SEPIC High Power Factor Rectifier Interfacing an AC Source with a LVDC Distribution Bus," Energies, MDPI, vol. 12(18), pages 1-22, September.

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