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Field Computation for an Axial Flux Permanent-Magnet Synchronous Generator

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3 Author(s)
T. F. Chan ; Dept. of Electr. Eng., Hong Kong Polytech. Univ., Hong Kong ; L. L. Lai ; Shuming Xie

An analytical method to determine the no-load and armature reaction magnetic fields of a single-sided, axial flux permanent-magnet synchronous generator without armature core is presented. Laplace's equation is solved in the rectangular coordinate system to give the scalar magnetic potentials, using a Fourier series method. For computation of the armature reaction field, a multi-current-sheet model is employed in order to account for the distributed nature of armature conductors in the axial direction. Finite element analysis and experimental results on a prototype machine are presented for verifying the accuracy of the proposed method.

Published in:

IEEE Transactions on Energy Conversion  (Volume:24 ,  Issue: 1 )