Two-Dimensional Analytical Airgap Field Model of an Inset Permanent Magnet Synchronous Machine, Taking Into Account the Slotting Effect

In this paper, an analytical method for the computation of the electromagnetic field in the airgap of an inset permanent magnet synchronous machine is proposed. The originality lies in the fact that both the stator and rotor saliencies have been taken into account in the analytical procedure. The pu...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2013-04, Vol.49 (4), p.1423-1435
Main Authors: de la Barriere, O., Ben Ahmed, H., Gabsi, M., LoBue, M.
Format: Article
Language:English
Subjects:
Airgap flux
analytical modeling
Boundary conditions
Cross-disciplinary physics: materials science
rheology
Equations
Exact sciences and technology
finite element verification
Magnetic flux
Materials science
Other topics in materials science
Physics
Rotors
Saturation magnetization
Stators
Torque
torque calculation
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Summary:In this paper, an analytical method for the computation of the electromagnetic field in the airgap of an inset permanent magnet synchronous machine is proposed. The originality lies in the fact that both the stator and rotor saliencies have been taken into account in the analytical procedure. The purpose in to compute both quickly and accurately the magnetic fluxes and instantaneous torque of the machine, in order to minimize torque ripples in an optimal predesign process. It is shown that the instantaneous torque is in good agreement with finite element results, for a shorter computation time. The model presented here can be used when the 2-D approximation of the machine is valid, which is the case for most of machines' topologies.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2012.2217504