3-D analytical modeling of no-load magnetic field of ironless axial flux permanent magnet machine

Journal article (2012)

Authors

Yunkai Huang Southeast University

Baoyun Ge Southeast University

J. Dong Southeast University

Heyun Lin Southeast University

Jianguo Zhu University of Technology Sydney

Youguang Guo University of Technology Sydney

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Magnetic field Analytical modeling Axial flux Bessel function

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Published Date

2012

Language

English

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Abstract

A three-dimensional analytical modeling of the magnetic field of the stator-ironless axial flux permanent magnet (AFPM) machine under open-circuit condition is presented in this paper. It involves the analytical solution of the governing field equations in the region between back-irons in the cylindrical coordinate, in which the magnets are assumed to be axially magnetized and have constant relative recoil permeability. The proposed modeling method is applied to a specific AFPM machine, and the analytical results are in good agreement with those of three-dimensional finite element analysis (FEA).