Abstract
This paper presents the research work for a novel dual-stator composite-rotor synchronous machine (DSCRSM) with ferrite magnets. Compared with the conventional permanent magnet-assisted synchronous reluctance machine (PMASynRM), the proposed DSCRSM is capable to provide a higher output torque when the same amount of ferrite magnets consumed. The superiority of the DSCRSM is obtained by the utilization of a composite rotor that is capable of full use of torque components, as both magnetic and reluctance torques can reach their maximum values near or at the same current phase angle. To evaluate the contribution, the torque performance of the proposed DSCRSM is compared with a conventional PMASynRM, which consuming the same amount of ferrite magnets. A higher torque production is found by the proposed machine. Moreover, more machine performances, including torque ripple and efficiency, are also further researched and compared for the two machines.
Published Version
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