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    Torque ripple reduction technique with improved flux response for a direct torque control induction motor drive

    Access Status
    Fulltext not available
    Authors
    Singh, B.
    Jain, S.
    Dwivedi, Sanjeet Kumar
    Date
    2013
    Type
    Journal Article
    
    Metadata
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    Citation
    Singh, B. and Jain, S. and Dwivedi, S.K. 2013. Torque ripple reduction technique with improved flux response for a direct torque control induction motor drive. IET Power Electronics. 6 (2): pp. 326-342.
    Source Title
    IET Power Electronics
    DOI
    10.1049/iet-pel.2012.0121
    ISSN
    1755-4535
    School
    School of Electrical Engineering and Computing
    URI
    http://hdl.handle.net/20.500.11937/52486
    Collection
    • Curtin Research Publications
    Abstract

    The availability of limited voltage vectors in a conventional direct torque control drive fed from a two-level inverter causes torque and current ripples. In this study, a new torque ripple reduction technique with a modified look up table incorporating a larger number of synthesised non-zero active voltage vectors is proposed to overcome the limitations of the conventional and duty ratio control switching strategies. The voltage vector selection criteria in the proposed technique are based to prevent the stator flux demagnetisation during the low-speed operation with significant reduction in torque and current ripple. The proposed switching strategy is investigated through simulation and experimentally validated on a test drive.

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