The hybrid inverter motor drive with two cascaded multilevel inverters is an attractive option for naval ship propulsion systems due to a number of unique features. There is a natural split between a higher-voltage lower-frequency "bulk" inverter and a lower-voltage higher-frequency "conditioning" inverter in the cascaded system which matches the availability of semiconductor devices. Furthermore, the bulk inverter may be a commercial-off-the-shelf (COTS) motor drive meaning that only the conditioning inverter needs be custom made. However, a drive involving a COTS bulk inverter would require a distributed conditioning inverter control which works completely independent of the bulk inverter control. In this paper, a distributed control method is developed for the hybrid inverter drive with cascaded bulk and conditioning inverters. Moreover, a solution to the practical problem of instant synchronization between the two inverters is presented. Laboratory measurements on a 3.7-kW induction motor drive validate the proposed control.


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    Titel :

    Distributed control of hybrid motor drives


    Beteiligte:
    Lu, Shuai (Autor:in) / Corzine, K.A. (Autor:in) / Fikse, T.H. (Autor:in)


    Erscheinungsdatum :

    2005


    Format / Umfang :

    8 Seiten, 9 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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