期刊
IEEE TRANSACTIONS ON MAGNETICS
卷 58, 期 2, 页码 -出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMAG.2021.3084222
关键词
Torque; Reluctance motors; Permanent magnet motors; Magnetic flux leakage; Saturation magnetization; Rotors; Nickel; Flux controllable; permanent magnet (PM) motor; torque characteristics
资金
- National Natural Science Foundation of China [51937006, 51877099, 51807081]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- China Postdoctoral Science Foundation [2020T130256]
In this article, a flux-controllable permanent magnet motor has been designed and optimized to achieve optimal torque component distribution under different flux leakage conditions. The motor allows for flexible adjustment and control of the air-gap magnetic field through a reasonable flux bridge design, effectively expanding the motor's speed range. The research focuses on analyzing and optimizing torque characteristics in combination with typical operation conditions.
In this article, a flux-controllable permanent magnet (FC-PM) motor has been designed and optimized to achieve the optimal torque component distribution under different flux leakage conditions. The FC-PM motor can realize flexible adjustment and control of air-gap magnetic field by a reasonable flux bridge design, which further broadens the speed range of the motor effectively. The focus of the research is to analyze and optimize the torque characteristics in combination with typical operation conditions. First, a motor topology is proposed and then the mechanism of flux leakage and the distribution of torque characteristics are studied. Then, according to different flux leakage operation conditions, an optimization method considering the torque component distribution is newly proposed. Based on the proposed optimization method, the optimal motor can be obtained. Finally, the performance of the optimal motor is analyzed and compared with the initial motor. The comparison results indicate that, based on the proposed optimization method, the torque output capability is improved effectively, while the desired leakage flux adjustment range is maintained.
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