Abstract
This study introduces a new type of dual-stator permanent magnetic propulsion motor: the dissimilar frequency supplied permanent magnet synchronous motor (DFPMSM). The main advantage of the motor is its improved torque density and fault tolerance, which is well suited for electric propulsion at low speed. The vector control of the DFPMSM is presented. A torque current decoupling method is proposed to maintain the torque output while changing the torque distribution. A power loss model is derived for the power distribution strategy to achieve optimum efficiency of this motor. Simulation and experimental results are presented to verify the effectiveness of the proposed machine and control strategy.
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