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Magnetic coupling studies between radial magnetic gears

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6 Author(s)
Yao, Y.D. ; Inst. of Phys., Acad. Sinica, Taipei, Taiwan ; Huang, D.R. ; Lee, C.M. ; Wang, S.J.
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The torque of a magnetic gear system with different magnetic poles has been investigated by computer-aided simulation with 2 dimensional modeling processes of finite element analysis. With a fixed separation of distance, the torque shows a maximum for a special number of poles, which shifts to a higher number of poles as the ratio of the radius to the thickness of the magnets increases and shifts to a lower number of poles with addition of an iron yoke. Using this technique, we can obtain an optimum design of a radial magnetic gear system for practical usage

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Magnetics, IEEE Transactions on  (Volume:33 ,  Issue: 5 )