A high-performance surface permanent magnet (SPM) machine drive with an extended constant power speed ratio is proposed using a current source inverter (CSI) for a traction application. The constant-power operation regions of an SPM machine can be extended in an appealing fashion by taking advantage of the output voltage boost capability of the CSI. The CSI is naturally a boost-type converter, in contrast to the voltage source inverter (VSI) which has buck-type characteristics. To investigate the value of the CSI voltage boost feature, a new traction motor with higher rated voltage and lower rated current has been designed and compared to the motor that would be used with a VSI. The lower CSI current makes it possible to reduce the mass of the inverter and output power cable, benefiting power density and cost reduction. The SPM machine is modeled in the synchronous reference frame including the effect of the ac filter capacitors at the CSI output terminals. The capability of extending the speed range of the proposed motor is verified via closed-form analysis and FEA simulation, and its performance characteristics are compared with those of a VSI-based SPM motor of the same type.


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    Titel :

    Current Source Inverter Based Large Constant Power Speed Ratio SPM Machine Drive for Traction Applications


    Beteiligte:
    Chen, Feida (Autor:in) / Ding, Hao (Autor:in) / Lee, Sangwhee (Autor:in) / Feng, Wenda (Autor:in) / Jahns, Thomas M. (Autor:in) / Sarlioglu, Bulent (Autor:in)


    Erscheinungsdatum :

    2020-06-01


    Format / Umfang :

    356434 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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