期刊
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS
卷 55, 期 1, 页码 417-425出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIA.2018.2869102
关键词
Brushless machines; motor drives; relays; torque control; windings
Depending on the winding configuration, the intrinsic characteristic of a motor differs. By reconfiguring the winding, it becomes possible to increase the torque-speed limitation of a motor. Current proposed methodologies for dynamically reconfiguring the winding suffer from important torque jolts during the reconfiguring process if the inductance of the motor is low. In order to guarantee a constant torque, the transient behavior is investigated when the winding is reconfigured from series to parallel or from star to delta configuration. A novel approach combining a fine control of the current amplitude and the commutation angle is presented. Numerical simulations attest to the exactness of the approach and experimental results substantiate the simulated model.
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