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Title
Less Rare-Earth Electromagnetic Design for a High-Performance Permanent Magnet MotorVersion
http://purl.org/coar/version/c_970fb48d4fbd8a85
Rights
© 2022 by the authors. Licensee MDPIAccess
http://purl.org/coar/access_right/c_abf2Publisher’s version
https://doi.org/10.3390/app12083736Published at
Applied Sciences Vol. 12. N. 8. N. artículo 3736, 2022Publisher
MDPIKeywords
electric motor design
electromobility
less rare-earth
permanent magnet motor design ... [+]
electromobility
less rare-earth
permanent magnet motor design ... [+]
electric motor design
electromobility
less rare-earth
permanent magnet motor design
parallel magnetization
tilted magnetization [-]
electromobility
less rare-earth
permanent magnet motor design
parallel magnetization
tilted magnetization [-]
Abstract
This paper presents an electromagnetic design alternative using the so-called banana-shaped magnets, achieving magnet weight reduction of 21.82% for the same performance as the baseline motor in the c ... [+]
This paper presents an electromagnetic design alternative using the so-called banana-shaped magnets, achieving magnet weight reduction of 21.82% for the same performance as the baseline motor in the case study. Typically, parallel magnetization is used in this topology because it provides the manufacturing advantage of not building a specific magnetizing device required to achieve radial magnetization. Therefore, as its main contribution, this paper proposes using tilted magnetization, demonstrating that the performance is better than the conventional way of applying parallel magnetization in banana-shaped motors but still using parallel magnetization. Because of the performance improvement for the same motor structure, magnet weight reduction is possible for a new design with the same performance as the baseline motor. In addition, this paper presents the workflow followed to obtain the less rare-earth design motor candidate using tilted magnetization. [-]
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Rare earth reduction in high performance permanent magnet electric machines LOWREEMOTORSCollections
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