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- Title
Direct vector control strategy of 2-phase induction motor drives based on the conventional rotating transformation matrix and EKF.
- Authors
Taghinezhad Vaskeh Mahaleh, Amir Mohamad; Ghanbari, Mahmood; Ebrahimi, Reza
- Abstract
This research presents a novel mathematical model of 2-phase induction Motor (M2) or star-connected 3-phase induction Motor (M3) under the Open-Phase Fault (FOP). In addition, a Direct Vector Control (DVC) strategy based on the Extended Kalman Filter (EKF) is proposed for M2 drives. It is shown that using the conventional rotating Transformation Matrix (TM), the mathematical model of the M2 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 M2 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 M3 and M2 drives. The experimental results on a star-connected M3 test-bed with a DSP/TMS320F28335 indicate that the proposed EKF-based DVC (DVCEKF) method can precisely and effectively control the faulty M3 drive during different conditions. The results also show that the proposed DVCEKF system has a better performance in comparison to conventional control systems during the FOP.
- Subjects
VECTOR control; MOTOR drives (Electric motors); INDUCTION motors; TORQUE control; KALMAN filtering; MATHEMATICAL models; MATRICES (Mathematics)
- Publication
Electrical Engineering, 2024, Vol 106, Issue 3, p2555
- ISSN
0948-7921
- Publication type
Article
- DOI
10.1007/s00202-023-02063-3