Research on the influence of trapezoidal magnetization of bonded magnetic ring on cogging torque
Abstract: In this article, the influence of trapezoidal magnetization method on cogging torque of permanent magnet motor is studied. First, the structure is analyzed by analytical method to explain its mechanism of reducing cogging torque. Then, in order to verify the effectiveness of the formula, a six-slot four-pole motor is introduced for finite element analysis. Through comparison of the original structure motor, the magnet skew structure motor, and the trapezoidal magnetic pole structure motor, it demonstrates that the trapezoidal magnetic pole structure motor can effectively reduce the Cogging torque and does not produce additional axial electromagnetic force. Finally, a magnetizing fixture with a trapezoidal magnetic pole structure is made to magnetize the magnetic ring. The magnetized magnetic ring is installed on the motor, and the Cogging torque, Back EMF, etc., are tested. The test results are in good agreement with the simulation results. This method can be used to optimize the cogging torque of the permanent magnet motor.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Research on the influence of trapezoidal magnetization of bonded magnetic ring on cogging torque ; volume:21 ; number:1 ; year:2023 ; extent:9
Open physics ; 21, Heft 1 (2023) (gesamt 9)
- Creator
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Zhang, Ze
Wang, Zilong
Yu, Juntao
Luo, Yang
Yan, Wenlong
Yang, Yuanfei
Hu, Tengfei
Yu, Dunbo
Wang, Li
- DOI
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10.1515/phys-2022-0223
- URN
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urn:nbn:de:101:1-2023040114093397207000
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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14.08.2025, 10:56 AM CEST
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Associated
- Zhang, Ze
- Wang, Zilong
- Yu, Juntao
- Luo, Yang
- Yan, Wenlong
- Yang, Yuanfei
- Hu, Tengfei
- Yu, Dunbo
- Wang, Li
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