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  • High Frequency Planar Transformer (HFPT) for Universal Contact-Less Battery Charging Platform

    Author(s)
    Panchal, C
    Lu, JW
    Griffith University Author(s)
    Lu, Junwei
    Year published
    2011
    Metadata
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    Abstract
    High frequency planar transformer (HFPT) is an up-and-coming technology which can be used for designing a contact-less battery charging platform. In this paper, fractal-based high frequency planar transformers are presented with two different structures: 4-to-1and 16-to-4 turn ratio. Because they are PCB-based transformers, two cases of 0.8 mm and 1.6 mm thickness were investigated. A finiteelement method has been used to calculate the magnetic field. LLC resonant converter has been designed to improve the conversion efficiency. The voltage ratio has been measured with and without a capacitor at the primary side. The winding ...
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    High frequency planar transformer (HFPT) is an up-and-coming technology which can be used for designing a contact-less battery charging platform. In this paper, fractal-based high frequency planar transformers are presented with two different structures: 4-to-1and 16-to-4 turn ratio. Because they are PCB-based transformers, two cases of 0.8 mm and 1.6 mm thickness were investigated. A finiteelement method has been used to calculate the magnetic field. LLC resonant converter has been designed to improve the conversion efficiency. The voltage ratio has been measured with and without a capacitor at the primary side. The winding with a capacitor can increase the efficiency without any distortion and harmonics.
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    Journal Title
    IEEE Transactions on Magnetics
    Volume
    47
    Issue
    10
    DOI
    https://doi.org/10.1109/TMAG.2011.2156768
    Subject
    Physical sciences
    Engineering
    Publication URI
    http://hdl.handle.net/10072/43500
    Collection
    • Journal articles

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