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      24 sectors DTC control with fuzzy hysteresis comparators for DFIM fed by 3 level inverter

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            Abstract

            This article presents 24 sectors direct torque control (DTC) with fuzzy hysteresis comparators for the doubly-fed induction motor (DFIM) using a three-level neutral point clamped (NPC) inverter. The designed DTC technique of the DFIM combines the advantages of the DTC strategy and fuzzy logic controller. The reaching conditions, stability, and robustness of the DFIM with the designed DTC technique are guaranteed. The designed DTC technique is insensitive to uncertainties, including parameter variations and external disturbances in the whole control process. Finally, the designed DTC technique with fuzzy hysteresis comparators is used to regulate the electromagnetic torque and the flux of the DFIM fed by the three-level NPC inverter and confirms the validity of the designed DTC technique. Results of simulations containing tests of robustness and tracking tests are presented.

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            Journal
            ScienceOpen Preprints
            ScienceOpen
            19 December 2021
            Affiliations
            [1 ] Dire Dawa University, Dire Dawa, Ethiopia
            Author notes
            Article
            10.14293/S2199-1006.1.SOR-.PPDGIWU.v1
            a525c88d-8cd1-4464-90b0-145da8edae95

            This work has been published open access under Creative Commons Attribution License CC BY 4.0 , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Conditions, terms of use and publishing policy can be found at www.scienceopen.com .


            All data generated or analysed during this study are included in this published article (and its supplementary information files).
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