The paper deals with the synthesis and performance analysis of the direct torque control (DTC) strategy dedicated to three-level NPC inverter (B12) fed brushless DC (BLDC) motor drives. The principle of operation of the BLDC motor fed by the B12-inverter is firstly presented with emphasis on the two-phase conduction mode and the three-phase conduction one. The DTC strategy is treated considering three different schemes, namely: (i) DTCi strategy inspired from the one developed by Takahashi in induction motor drives, (ii) DTC2 strategy that considers a vector selection table simply-reduced to the torque control with a two-phase conduction mode during sectors operation, and (iii) DTC3 strategy that eliminates the torque dips penalizing DTC2 during sector-to-sector commutations by considering the three-phase conduction mode. Simulation results, carried out considering low and high reference motor speeds, proves the high performance exhibited by the proposed DTC3 strategy.


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    Titel :

    DTC of three-level inverter fed brushless DC motor drives with torque ripple reduction


    Beteiligte:
    Mars, Rabiaa (Autor:in) / Bouzidi, Badii (Autor:in) / Badsi, Bassem El (Autor:in) / Yangui, Abderrazak (Autor:in)


    Erscheinungsdatum :

    2018-04-01


    Format / Umfang :

    498008 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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