Comparison of Linear Primary Permanent Magnet Vernier Machine and Linear Vernier Hybrid Machine

This paper presents the comparison of linear primary permanent magnet vernier (LPPMV) machine and linear vernier hybrid (LVH) machine. The LPPMV machine and the LVH machine both operate based on the magnetic gear principle, hence possessing the advantages of low speed and high thrust force density....

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Bibliographic Details
Published in:IEEE transactions on magnetics 2014-11, Vol.50 (11), p.1-4
Main Authors: Yi Du, Ming Cheng, Chau, K. T., Xianxing Liu, Feng Xiao, Wenxiang Zhao, Kai Shi, Lihong Mo
Format: Article
Language:English
Subjects:
Current measurement
Finite element analysis
Force
Inductance
Iron
Magnetic cores
Magnetism
Permanent magnets
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Summary:This paper presents the comparison of linear primary permanent magnet vernier (LPPMV) machine and linear vernier hybrid (LVH) machine. The LPPMV machine and the LVH machine both operate based on the magnetic gear principle, hence possessing the advantages of low speed and high thrust force density. In addition, both machines employ similar configurations between which the key difference is that a one-piece primary iron core is employed in the LPPMV machine instead of the modular cores in the LVH machine. Using the finite element method (FEM), the characteristics and performances of two machines are analyzed and compared. The results show that the LPPMV machine exhibits higher thrust force and lower cogging force. Finally, the FEM results are validated by experiments based on a prototype of the LPPMV machine.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2014.2317805