A phase-shifted current control can be employed to mitigate certain harmonics induced by the Diode Rectifiers (DR) and Silicon-Controlled Rectifiers (SCR) as the front-ends of multiple parallel Adjustable Speed Drive (ASD) systems. However, the effectiveness of the phase-shifted control relies on the loading condition of each drive unit as well as the number of drives in parallel. In order to enhance the harmonic cancellation by means of the phase-shifted current control, the currents drawn by the rectifiers should be maintained almost at the same level. Thus, this paper firstly analyzes the impact of unequal loading among the parallel drives, and a scheme to enhance the performance is introduced to improve the quality of the total grid current, where partial loading operation should be enabled. Simulation and experimental case studies on multidrive systems have demonstrated that the enhanced phase-shifted current control is a cost-effective solution to multiple ASD systems in terms of harmonic cancellation.


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    Titel :

    Enhanced Phase-Shifted Current Control for Harmonic Cancellation in Three-Phase Multiple Adjustable Speed Drive Systems


    Beteiligte:
    Yang, Yongheng (Autor:in) / Davari, Pooya (Autor:in) / Zare, Firuz (Autor:in) / Blaabjerg, Frede (Autor:in)

    Erscheinungsdatum :

    2017-04-01


    Anmerkungen:

    Yang , Y , Davari , P , Zare , F & Blaabjerg , F 2017 , ' Enhanced Phase-Shifted Current Control for Harmonic Cancellation in Three-Phase Multiple Adjustable Speed Drive Systems ' , I E E E Transactions on Power Delivery , vol. 32 , no. 2 , pp. 996-1004 . https://doi.org/10.1109/TPWRD.2016.2590570



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Klassifikation :

    DDC:    629



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