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Influence of MOSFET Parasitic Capacitance on the Operation of Interleaved ZVS Boost Converters

Author

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  • Piotr Zimoch

    (Department of Power Electronics, Electrical Drive and Robotics, Silesian University of Technology; 44100, Gliwice, Poland)

  • Marcin Kasprzak

    (Department of Power Electronics, Electrical Drive and Robotics, Silesian University of Technology; 44100, Gliwice, Poland)

  • Kamil Kierepka

    (Department of Power Electronics, Electrical Drive and Robotics, Silesian University of Technology; 44100, Gliwice, Poland)

Abstract

Interleaved zero-voltage switching boost converters have been known for over 20 years. However, the influence of parasitic capacitance of transistors has not been described. In this paper the converter is analyzed and the equation for voltage ratio is derived for any number of converter phases. First a general description of the topology, including main voltage and current waveforms, is provided. Subsequently the converter is analyzed and conditions for soft switching are derived. Next the analysis results are compared to measurements of an experimental converter setup. Discrepancies are identified and the influence of parasitic capacitance is analyzed. By considering the parasitic capacitance the difference between experimental and analytical results of voltage ratio is reduced from 0.2 to less than 0.05.

Suggested Citation

  • Piotr Zimoch & Marcin Kasprzak & Kamil Kierepka, 2020. "Influence of MOSFET Parasitic Capacitance on the Operation of Interleaved ZVS Boost Converters," Energies, MDPI, vol. 13(22), pages 1-17, November.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:22:p:6130-:d:449440
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    References listed on IDEAS

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    1. Ben Zhao & Alexander Abramovitz & Chang Liu & Yongheng Yang & Yigeng Huangfu, 2020. "A Family of Single-Stage, Buck-Boost Inverters for Photovoltaic Applications," Energies, MDPI, vol. 13(7), pages 1-21, April.
    2. Muhammad Zeeshan Malik & Haoyong Chen & Muhammad Shahzad Nazir & Irfan Ahmad Khan & Ahmed N. Abdalla & Amjad Ali & Wan Chen, 2020. "A New Efficient Step-Up Boost Converter with CLD Cell for Electric Vehicle and New Energy Systems," Energies, MDPI, vol. 13(7), pages 1-14, April.
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