LAPSE:2023.27751
Published Article
LAPSE:2023.27751
Influence of MOSFET Parasitic Capacitance on the Operation of Interleaved ZVS Boost Converters
April 4, 2023
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.
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Keywords
boost converter, output capacitance, quasi-resonant converters, zero-voltage switching (ZVS)
Subject
Suggested Citation
Zimoch P, Kasprzak M, Kierepka K. Influence of MOSFET Parasitic Capacitance on the Operation of Interleaved ZVS Boost Converters. (2023). LAPSE:2023.27751
Author Affiliations
Zimoch P: Department of Power Electronics, Electrical Drive and Robotics, Silesian University of Technology; 44100, Gliwice, Poland [ORCID]
Kasprzak M: Department of Power Electronics, Electrical Drive and Robotics, Silesian University of Technology; 44100, Gliwice, Poland [ORCID]
Kierepka K: Department of Power Electronics, Electrical Drive and Robotics, Silesian University of Technology; 44100, Gliwice, Poland [ORCID]
Kasprzak M: Department of Power Electronics, Electrical Drive and Robotics, Silesian University of Technology; 44100, Gliwice, Poland [ORCID]
Kierepka K: Department of Power Electronics, Electrical Drive and Robotics, Silesian University of Technology; 44100, Gliwice, Poland [ORCID]
Journal Name
Energies
Volume
13
Issue
22
Article Number
E6130
Year
2020
Publication Date
2020-11-23
ISSN
1996-1073
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Original Submission
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PII: en13226130, Publication Type: Journal Article
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LAPSE:2023.27751
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https://doi.org/10.3390/en13226130
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Apr 4, 2023
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