Two operating modes have been identified for a matrix inductor/transformer made by weaving conductors through the holes perforated in a flat magnetic plate. The Mode-1 perforated-plate matrix transformer (M1PPMT) is analyzed to assess its suitability for low-profile power converters. Analysis and finite-element simulation suggest that this type of transformer may be approximated as a collection of weakly coupled "toroidal" cores. Thus, it is possible to derive closed-form expressions relating typical performance parameters, such as magnetizing inductance and losses, to the hole radius, identified as a meaningful design parameter. High peak flux density around the holes appears to be a problem. Nevertheless, it is possible to design a 100 W M1PPMT with acceptable magnetizing inductance, efficiency, and power density.<>


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    Titel :

    Perforated-plate magnetics. I. Mode-1 inductor/transformer


    Beteiligte:
    Osegueda, E. (Autor:in) / Ngo, K.D.T. (Autor:in) / Polivka, W.M. (Autor:in) / Walters, M.M. (Autor:in)


    Erscheinungsdatum :

    1995-07-01


    Format / Umfang :

    775919 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Perforated-plate magnetics. II. Mode-2 inductor/transformer

    Kirli, S. / Ngo, K.D.T. / Polivka, W.M. et al. | IEEE | 1995




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