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Magnetic field analysis of a switched reluctance motor using a two dimensional finite element model

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4 Author(s)
R. Arumugam ; Concordia University, Montreal ; D. Lowther ; R. Krishnan ; J. Lindsay

This paper describes the application of two-dimensional finite element analysis of a doubly salient switched reluctance motor. The motor has six poles on the stator and four poles on the rotor. The magnetic field patterns are determined for varying excitations at different positions of the rotor. The flux levels through different magnetic paths are obtained. The flux that passes through the rotor and stator core, the flux that flows through the interpolar air gap linking only the excited winding and the flux that links both the excited and the adjacent pole windings are clearly identified. From the results obtained, the variation of inductance with rotor position can be predicted more accurately.

Published in:

IEEE Transactions on Magnetics  (Volume:21 ,  Issue: 5 )