volume | PIER Journals

Abstract

This paper presents a novel multi-tooth flux-switching permanent magnet (MT-FSPM) machine that incorporates HTS bulks and radially magnetized PMs within the stator teeth. The alternating arrangement of PMs produces a synergistic effect between the flux-reversal mechanism and flux-switching mechanism. Additionally, the magnetic flux shielding effect of HTS materials effectively reduces flux leakage from the stator teeth, thereby enhancing the output torque. Subsequently, parameterized finite element models of the conventional and proposed models were established, and the key design parameters were systematically stratified based on sensitivity analysis. The optimal values for the high-sensitivity parameters were then obtained using the response surface method (RSM) and multi-objective genetic algorithm (MOGA). Finally, compared with the conventional model, the results demonstrate that the proposed model achieves a significant enhancement in torque performance, with the output torque increased by 49.69{\%} and torque ripple reduced by 16.90{\%}. Furthermore, the proposed model exhibits superior overload capability and improved power factor.

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Dr. Zeyu Min

Dr. Zezhou Jin

Dr. Lingzi Min

Dr. Libing Jing