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    A 3-phase 4-leg 4-wire voltage sag compensator based on three dimensional space vector modulation in abc coordinates

    Access Status
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    Authors
    Oranpiroj, K.
    Maungjai, W.
    Jantee, W.
    Premrudeepreechacharn, S.
    Nayar, Chemmangot
    Date
    2013
    Type
    Journal Article
    
    Metadata
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    Citation
    Oranpiroj, K. and Maungjai, W. and Jantee, W. and Premrudeepreechacharn, S. and Nayar, C. 2013. A 3-phase 4-leg 4-wire voltage sag compensator based on three dimensional space vector modulation in abc coordinates. Advanced Science Letters. 19 (5): pp. 1330-1335.
    Source Title
    Advanced Science Letters
    DOI
    10.1166/asl.2013.4498
    ISSN
    1936-6612
    School
    Department of Electrical and Computer Engineering
    URI
    http://hdl.handle.net/20.500.11937/25893
    Collection
    • Curtin Research Publications
    Abstract

    This paper presents a 3-phase 4-leg 4-wire voltage sag compensator based on three dimensional space vector modulation in abc coordinates which can handle a neutral current under voltage sag and nonlinear load conditions. The topology of this hardware consists of a voltage sag detector, a DC/DC converter, a solid state transfer switch, and a 4-leg inverter. The space vector modulation algorithm using abc coordinates is much simpler and more intuitive than in αβγ representation, reducing the complexity of the modulation algorithm and the computational load associated with it. The main advantages of 4-leg inverter topology and the algorithm lie in providing an extended range for the zero sequence voltages and currents. A 3 kVA prototype was implemented on a dsPIC microcontroller to verify its capabilities.

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