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    Harmonic distortion performance of multi three-phase SCR-fed drive systems with controlled DC-link current under unbalanced grid

    Access Status
    Fulltext not available
    Authors
    Soltani, H.
    Davari, P.
    Blaabjerg, F.
    Zare, Firuz
    Date
    2017
    Type
    Conference Paper
    
    Metadata
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    Citation
    Soltani, H. and Davari, P. and Blaabjerg, F. and Zare, F. 2017. Harmonic distortion performance of multi three-phase SCR-fed drive systems with controlled DC-link current under unbalanced grid, pp. 1210-1214.
    Source Title
    Proceedings IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society
    DOI
    10.1109/IECON.2017.8216206
    ISBN
    9781538611272
    School
    School of Electrical Engineering, Computing and Mathematical Science (EECMS)
    URI
    http://hdl.handle.net/20.500.11937/69194
    Collection
    • Curtin Research Publications
    Abstract

    © 2017 IEEE. Grid voltage unbalance, which is considered as most common disturbance in distribution networks, may significantly affect the normal operation of the grid-connected power electronics devices including Adjustable Speed Drives (ASD), and may result in a remarkable performance degradation. In this paper, the main aim is to analyze the effects of the grid unbalanced voltage on the multi-unit three-phase ASDs with the Silicon-Controlled Rectifier (SCR)-fed front-end rectifiers, where the DC-link current is controlled utilizing an Electronic Inductor (EI) technique. In this respect, the main effective factors on the drives harmonic performance are discussed. Moreover, the analysis is performed by considering an Equally-Pulse-Space (EPS) firing approach on the SCRs. Obtained simulation and experimental results verify the proposed theoretical analysis and mathematical modelling.

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