Design of Axial Flux PM Synchronous Machines Through 3-D Coupled Electromagnetic Thermal and Fluid-Dynamical Finite-Element Analysis
Marignetti, F.
Delli Colli, V.
Coia, Y.
Dept. of Autom., Univ. of Cassino, Cassino;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Oct. 2008
Volume: 55,
Issue: 10
On page(s): 3591-3601
ISSN: 0278-0046
Digital Object Identifier: 10.1109/TIE.2008.2005017
First Published: 2008-09-09
Current Version Published: 2008-09-30
Abstract This paper investigates the thermal behavior of axial flux synchronous permanent-magnet machines (AFSPMMs) through a 3-D thermal–magnetic finite-element analysis (FEA). This paper offers a systematic approach to magnetothermal FEA. The considered axial flux machine is wound on a soft magnetic compound core. The computation of thermal field is performed via a coupled thermal and fluid-dynamical model based on FEA, where the thermal sources are obtained from a dc current flow model and a magnetostatic model. This paper includes an overview of the finite-element method (FEM) model implementation. Simulation results are presented, and, to validate the model, the simulated surface temperature rise of the motor parts is compared by experimental data.
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