A neutral-point diode-clamped converter with inherent voltage-boosting for a four-phase SRM drive

Abdel-Aziz, Ali and Ahmed, Khaled and Wang, Shuren and Massoud, Ahmed M. and Williams, Barry (2019) A neutral-point diode-clamped converter with inherent voltage-boosting for a four-phase SRM drive. IEEE Transactions on Industrial Electronics. ISSN 0278-0046

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    Abstract

    This paper proposes a new asymmetric neutral-point diode-clamped (NPC) multilevel converter for a four-phase switched reluctance motor drive. The inbuilt NPC clamping capacitors are used for both voltage level clamping and also as dc rail voltage-boosting capacitors to increase the output power of the motor, particularly for high-speed electric vehicle applications. The new converter allows regenerative energy to be recovered back to the dc supply for rapid machine braking, thus increasing overall drive efficiency. Analysis of the different modes of converter operation, along with design equations for sizing the voltage-boosting capacitors, are detailed. The effect of capacitance on boost voltage and increased motor base speed is presented. Simulation and experimental results confirm the effectiveness of the proposed converter.

    Author(s):Abdel-Aziz, Ali, Ahmed, Khaled, Wang, Shuren, Massoud, Ahmed M. and Williams, Barry
    Item type:Article
    ID code:68687
    Notes:© 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting /republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
    Keywords:electric vehicles, neutral-point converter, regenerative braking, switched reluctance motor, voltage boosting capacitors, Electrical engineering. Electronics Nuclear engineering, Electrical and Electronic Engineering
    Subjects:Technology > Electrical engineering. Electronics Nuclear engineering
    Department:Faculty of Engineering > Electronic and Electrical Engineering
    Strategic Research Themes > Energy
    Depositing user: Pure Administrator
    Date deposited:02 Jul 2019 14:25
    Last modified:22 Jan 2020 03:29
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/68687
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