To improve the control performance of open-winding permanent magnet synchronous motor (OW-PMSM) and suppress zero-sequence current (ZSC), this article proposes a hybrid vector model predictive control (MPC) for OW-PMSM drives. The fast-voltage-vector selection strategy is used to select one optimal nonzero voltage vector (VV) to act on inverter1 (INV1) for each control period, and then, inverter2 (INV2) is controlled with a novel four-segment-mode-vector (FSMV) control strategy to operate the dual inverter separately. In this strategy, the two zero VVs, $u'_{0}$ and $u'_{7}$ , are applied at the starting and ending of each control period alternately, while two adjacent nonzero VVs, $u'_{x}$ and $u'_{y}$ , with minimum switching times, are applied in the middle of the control period to generate PWM pulses with a switching frequency fixed at half of the control frequency. Furthermore, the durations of two zero VVs ( $u'_{0}$ and $u'_{7}$ ) are optimized to suppress the ZSC based on the zero-axis current deadbeat (DB) control principle. Finally, the experimental findings suggest that the proposed strategy ensures the low-switching frequency of INV1 and the fixed switching frequency of INV2 to obtain good control performance.


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    Titel :

    Hybrid Vector Model Predictive Control for Open-Winding PMSM Drives


    Beteiligte:
    Zhang, Xiaoguang (Autor:in) / Zhang, Han (Autor:in) / Yan, Kang (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.06.2024


    Format / Umfang :

    3036771 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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