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  • Eddy Current and Structure Optimization of High Frequency Coaxial Transformers Using the Numerical Computation Method

    Author(s)
    Water, W
    Lu, J
    Griffith University Author(s)
    Lu, Junwei
    Year published
    2012
    Metadata
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    Abstract
    This paper introduces a High Frequency Coaxial Transformer (HFCT) with >99% power efficiency accompanied by an optimization work of its geometrical structure. A thermal analysis has also been conducted to determine if there are any hot spots in the HFCT (caused by eddy currents in the HFCT), which might damage its winding configuration due to the change in geometrical structure. The structure optimization process consequently affects parameters of the leakage inductance (Leq) and the coupling capacitance (Cps) of the HFCT. Since the HFCT is designed for use in high frequency applications, the Electromagnetic Compatibility ...
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    This paper introduces a High Frequency Coaxial Transformer (HFCT) with >99% power efficiency accompanied by an optimization work of its geometrical structure. A thermal analysis has also been conducted to determine if there are any hot spots in the HFCT (caused by eddy currents in the HFCT), which might damage its winding configuration due to the change in geometrical structure. The structure optimization process consequently affects parameters of the leakage inductance (Leq) and the coupling capacitance (Cps) of the HFCT. Since the HFCT is designed for use in high frequency applications, the Electromagnetic Compatibility (EMC) issue has been taken into account in this paper. Furthermore, an investigation of the shielding effect of the HFCT has also been conducted. The thermal analysis and structural optimization of HFCT has been done using the FEM based numerical technique.
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    Conference Title
    2012 6th International Conference on Electromagnetic Field Problems and Applications, ICEF'2012
    DOI
    https://doi.org/10.1109/ICEF.2012.6310326
    Subject
    Electrical and Electronic Engineering not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/52309
    Collection
    • Conference outputs

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