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Winding Design, Modeling, and Control for Pole-Phase Modulation Induction Motors

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4 Author(s)
Baoming Ge ; Sch. of Electr. Eng., Beijing Jiaotong Univ., Beijing, China ; Dongsen Sun ; Weiliang Wu ; Fang Zheng Peng

A general winding design rule for the pole-phase modulation (PPM) induction machine is proposed, and three different structures, such as conventional winding machine, toroidal winding machine, and dual-rotor toroidal winding machine, are compared. The results verify advantages of the conventional winding machine over the others in application to the PPM. A uniform model for the conventional winding-based PPM induction machine, including inductance matrices, voltages, flux linkages, mechanical dynamics, and torque equation, are deduced by employing the winding distributed function. A prototype validates the feasibility of the designed pole-changing winding and the built model, which is suitable for operation in different poles, separately; also, it illustrates effective operation in the pole-changing process, where both operating modes coexist. Double vector control algorithms are developed to control the PPM induction machine for different poles, respectively, with their different parameters and the given rotor flux linkages. Moreover, only four current sensors are required, even though there are nine winding currents; the torque share function ensures a constant torque during pole changing. The simulated and experimental results verify the proposed winding design, model, and control method of the PPM induction machine drive.

Published in:

Magnetics, IEEE Transactions on  (Volume:49 ,  Issue: 2 )