It is shown that the common series resonant power converter is subject to a low frequency oscillation that can lead to the loss of cyclic stability. This oscillation is caused by a low frequency resonant circuit formed by the normal L and C components in series with the magnetizing inductance of the output transformer. Three methods for eliminating this oscillation are presented and analyzed. One of these methods requires a change in the circuit topology during the resonance cycle. This requires a new set of steady state equations which are derived and presented in a normalized form. Experimental results are included which demonstrate the nature of the low frequency oscillation before cyclic stability is lost.


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    Titel :

    Transformer Induced Instability of the Series Resonant Converter


    Beteiligte:
    King, R. J. (Autor:in) / Stuart, T. A. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1983-05-01


    Format / Umfang :

    2840805 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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