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Energies 2015, 8(5), 3313-3327; doi:10.3390/en8053313

A Novel Hybrid-Flux Magnetic Gear and Its Performance Analysis Using the 3-D Finite Element Method

Department of Electrical Engineering, the Hong Kong Polytechnic University, Kowloon 999077, Hong Kong, China
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Academic Editor: Paul Stewart
Received: 2 March 2015 / Revised: 8 April 2015 / Accepted: 20 April 2015 / Published: 23 April 2015
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Abstract

This paper presents a novel hybrid-flux magnetic gear, which integrates a transverse-flux magnetic gear and an axial-flux magnetic gear into a single unit. Compared to its conventional counterparts, the proposed magnetic gear transmits a relatively high torque density. When compared to the transverse-flux magnetic gear, this new structure employs an extra iron segment between the low-speed rotor and high-speed rotor to modulate the magnetic field and contribute to the transmission of additional torque. A three-dimensional (3-D) finite element method (FEM) is used for the analysis of the magnetic field. In the paper a variables-decoupling method based on the sensitivity analysis of the design parameters is also presented to accelerate the optimization process of the proposed machine. View Full-Text
Keywords: design method; finite element method; hybrid-flux; magnetic field; magnetic gear; optimization; torque transmission design method; finite element method; hybrid-flux; magnetic field; magnetic gear; optimization; torque transmission
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Chen, Y.; Fu, W. A Novel Hybrid-Flux Magnetic Gear and Its Performance Analysis Using the 3-D Finite Element Method. Energies 2015, 8, 3313-3327.

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