In permanent-magnet motors used for vehicle traction application a well-known problem is the need to weaken the flux at high speeds. This is generally done by injecting a suitable demagnetizing current along the d axis. An alternative method has been recently proposed by the authors based on an Interior-Permanent-Magnet (IPM) synchronous motor equipped with a mechanical device which activates at high speeds by centrifugal force causing a significant reduction in the permanent magnet flux with no need for injecting d-axis stator currents. The performance of a road vehicle traction drive employing this machine under a maximum-torque-per-ampere control is investigated in this paper assuming a typical driving cycle. It is shown that remarkable benefits can be achieved in terms of energy saving, overload capability enhancement and speed range extension potential.


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    Titel :

    Performance evaluation of a vehicle traction drive based on a Permanent Magnet synchronous motor equipped with a mechanical flux weakening device


    Beteiligte:
    Barbini, N. (Autor:in) / Bortolozzi, M. (Autor:in) / Tessarolo, Alberto (Autor:in)


    Erscheinungsdatum :

    01.04.2016


    Format / Umfang :

    2178667 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch