3-D Hybrid Model of the Axial-Flux Motor Accounting Magnet Shape

This article presents a generalization of an analytical model of an axial-flux permanent-magnet machine to any magnet shape. It uses an existing model, which computes the 3-D magnetic-flux density by the separation of variables and a finite-difference method. The original magnet shape is modified by...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2022-05, Vol.58 (5), p.1-4
Main Authors: Carpi, T., Lefevre, Y., Henaux, C., Llibre, J. F., Harribey, D.
Format: Article
Language:English
Subjects:
Axial flux
Computational modeling
Finite difference method
Finite element method
finite-difference method (FDM)
Flux density
Fourier series
magnet shape
Magnetic flux
Magnetic resonance imaging
magnetic scalar potential (MSP)
Magnetic separation
Magnetism
Magnetization
Mathematical models
permanent magnet
Permanent magnets
separation of variables
Shape
Three dimensional models
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Description
Summary:This article presents a generalization of an analytical model of an axial-flux permanent-magnet machine to any magnet shape. It uses an existing model, which computes the 3-D magnetic-flux density by the separation of variables and a finite-difference method. The original magnet shape is modified by adding a radial dependency to the Fourier series description of permanent magnets (PM) magnetization. The model is then developed for a general complex magnet shape. As an example, the model will be computed for a circular magnet shape and will be compared with finite-element analysis.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2019.2950892