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  • Improved High-Frequency Planar Transformer for Line Level Control (LLC) Resonant Converters

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    90410_1.pdf (631.4Kb)
    Author(s)
    Water, W
    Lu, J
    Griffith University Author(s)
    Lu, Junwei
    Year published
    2013
    Metadata
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    Abstract
    An improved high-frequency magnetic-integrated planar transformer is demonstrated. Compared with conven- tional planar integrated magnetics, the improved structure has better leakage inductance adjustment. Also, instead of expensive printed circuit board windings on the primary side, multistrand Litz wires are used. The transformer is fabricated with two common EE shape magnetic cores along with magnetic insertions placed between the primary and secondary windings outside the main core. A three-dimensional ?nite-element model is used to investigate the eddy current losses and the adjustment of the leakage inductance.An improved high-frequency magnetic-integrated planar transformer is demonstrated. Compared with conven- tional planar integrated magnetics, the improved structure has better leakage inductance adjustment. Also, instead of expensive printed circuit board windings on the primary side, multistrand Litz wires are used. The transformer is fabricated with two common EE shape magnetic cores along with magnetic insertions placed between the primary and secondary windings outside the main core. A three-dimensional ?nite-element model is used to investigate the eddy current losses and the adjustment of the leakage inductance.
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    Journal Title
    IEEE Magnetics Letters
    Volume
    4
    DOI
    https://doi.org/10.1109/LMAG.2013.2284767
    Copyright Statement
    © 2013 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
    Subject
    Physical sciences
    Engineering
    Publication URI
    http://hdl.handle.net/10072/56562
    Collection
    • Journal articles

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