MATEC Web Conf.
Volume 306, 2020The 6th International Conference on Mechatronics and Mechanical Engineering (ICMME 2019)
|Number of page(s)||5|
|Section||Power Electronics and Transmission Technology|
|Published online||14 January 2020|
Minimization torque ripple for SRM based on flux linkage partition in DB-DTFC
1 College of Information and Science Technology, Dalian Maritime University, 116026 Dalian, China
2 College of Electrical Engineering of Ships, Dalian Maritime University, 116026 Dalian, China
* Corresponding author: firstname.lastname@example.org
This paper proposes a novel deadbeat torque and flux control (DB-DTFC) to reduce torque ripple for switched reluctance motor (SRM). DB-DTFC combines the advantages of direct torque control (DTC) and space-vector modulation (SVM). DB-DTFC leads current vector control into DTC in order to find the equation between torque and current through deadbeat prediction theory i.e. a beat reaches a given point. In addition, the deadbeat calculation module here is similar to that of permanent magnet synchronous motor. Based on dq0 reference frame of SRM, the most suitable dq0 axis current of next moment corresponding to different torque errors is calculated and predicted. According to the calculated dq0 axis current, the optimal space voltage vectors can be selected to reduce torque ripple. In order to verify the effectiveness and correctness of the proposed scheme, DB-DTFC is verified and compared with the DTC-SVM by simulation.
© The Authors, published by EDP Sciences 2020
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