Dual three-phase permanent-magnet synchronous motor (PMSM) drives have gained more and more attention by the merit of fault-tolerance ability. Thanks to the additional degrees of freedom, different system optimization targets can be achieved under post-fault condition while guaranteeing torque-ripple-free control performance. For a universal control scheme with natural fault-tolerance, the system optimization is determined by the amplitude ratio and phase shift of the positive-sequence current components between two sets of three-phase windings. On this basis, the linear interpolation of current amplitude ratio has been employed in the proposed method for the transition between minimum loss (ML) strategy and (maximum torque) MT strategy. Compared to existing optimization strategies, the proposed method can realize the online optimization of copper loss under full torque operation range without off-line computation and coefficient storage. The simulation and experiments have been presented for the feasibility of proposed method.


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    Titel :

    An Online Fault-Tolerant Optimization Strategy of Copper Loss for Dual Three-Phase PMSM drives


    Beteiligte:
    Yu, Kailiang (Autor:in) / Wang, Zheng (Autor:in)


    Erscheinungsdatum :

    28.10.2022


    Format / Umfang :

    763045 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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