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    Analysis, Design and Experimentation of a Zero-Voltage Switching Two-Inductor Boost Converter with Integrated Magnetics

    136221_136221.pdf (1.316Mb)
    Access Status
    Open access
    Authors
    Li, Q.
    Wolfs, Peter
    Date
    2006
    Type
    Conference Paper
    
    Metadata
    Show full item record
    Citation
    Li, Q. and Wolfs, Peter. 2006. Analysis, Design and Experimentation of a Zero-Voltage Switching Two-Inductor Boost Converter with Integrated Magnetics, in Unknown (ed), Power Electronics Specialists Conference, 2006. PESC '06. 37th IEEE, Jun 18 2006, pp. 985-990. Jeju, Korea: IEEE.
    Source Title
    Power Electronics Specialists Conference, 2006. PESC '06. 37th IEEE
    Source Conference
    Power Electronics Specialists Conference, 2006. PESC '06. 37th IEEE
    ISSN
    0275-9306
    Faculty
    Department of Electrical and Computer Engineering
    School of Engineering
    Faculty of Science and Engineering
    Remarks

    Copyright © 2006 IEEE This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.

    URI
    http://hdl.handle.net/20.500.11937/33199
    Collection
    • Curtin Research Publications
    Abstract

    A zero-voltage switching (ZVS) two-inductor boost converter with an integrated magnetic structure has been previously proposed to achieve the size and cost reduction in the converter design with discrete magnetics. In the integrated magnetic structure, the five copper windings and the four cores required by the two input inductors, the resonant inductor and the transformer in the original ZVS converter are reduced to three copper windings and one three-limbed core. This paper presents a detailed magnetic analysis of the ZVS two-inductor boost converter with the magnetic integration. The equivalent input and transformer magnetising inductances are established in terms of the reluctances of the individual core limbs and the numbers of the individual windings. This allows the converter with the integrated magnetics to be modelled and analysed using an equivalent design with discrete magnetics. The effects of the leakage reluctances are also considered. The magnetic circuit analysis tool can be also used for any other converters with magnetic integration. In the magnetic design process, the peak and the AC flux densities in the three core limbs are solved explicitly so that saturation and core loss calculation can be easily performed. Finally the theoretical waveforms of a 40-W 1-MHz ZVS converter are also provided to verify the theoretical analysis

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      The two-inductor boost converter presents significant advantages over other boost topologies but requires three separate magnetic devices. This paper introduces a systematic approach in developing the magnetic integration ...
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