Abstract

For the high efficiency of electric motors, research on electric motors using permanent magnets has been conducted. However, rare earth permanent magnets are difficult to obtain due to the scarcity of resources, and the price is very high. As a solution to this problem, research on spoke-type PMSM has been conducted. Furthermore, research on Double Spoke-type PMSM, an upgraded version of the conventional spoke-type PMSM, was conducted. This electric motor has a high output density by simultaneously utilizing the magnetic torque and the reluctance torque. However, the aforementioned motors have the disadvantage that post-assembly magnetization is difficult. This paper conducted a study to solve the above problem.

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