Direct vector control strategy of 2-phase induction motor drives based on the conventional rotating transformation matrix and EKF

This research presents a novel mathematical model of 2-phase induction Motor (M 2 ) or star-connected 3-phase induction Motor (M 3 ) under the Open-Phase Fault (F OP ). In addition, a Direct Vector Control (DVC) strategy based on the Extended Kalman Filter (EKF) is proposed for M 2 drives. It is sho...

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Veröffentlicht in:Electrical engineering 2024-06, Vol.106 (3), p.2555-2573
Hauptverfasser: Taghinezhad Vaskeh Mahaleh, Amir Mohamad, Ghanbari, Mahmood, Ebrahimi, Reza
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Sprache:eng
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Zusammenfassung:This research presents a novel mathematical model of 2-phase induction Motor (M 2 ) or star-connected 3-phase induction Motor (M 3 ) under the Open-Phase Fault (F OP ). In addition, a Direct Vector Control (DVC) strategy based on the Extended Kalman Filter (EKF) is proposed for M 2 drives. It is shown that using the conventional rotating Transformation Matrix (TM), the mathematical model of the M 2 can be written as forward and backward quantities. Based on this modeling, a developed DVC strategy according to forcing the backward quantities equal to zero is achieved for M 2 drives. In the proposed DVC, an EKF is developed to estimate the rotor flux amplitude and angle. The proposed approach with minor modifications can be employed for both M 3 and M 2 drives. The experimental results on a star-connected M 3 test-bed with a DSP/TMS320F28335 indicate that the proposed EKF-based DVC (DVC EKF ) method can precisely and effectively control the faulty M 3 drive during different conditions. The results also show that the proposed DVC EKF system has a better performance in comparison to conventional control systems during the F OP .
ISSN:0948-7921
1432-0487
DOI:10.1007/s00202-023-02063-3