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Title: Analytical prediction of armature-reaction field in disc-type permanent magnet generators
Authors: Zhang, YJ
Ho, SL 
Wong, HCC
Xie, GD
Keywords: Electric arcs
Electric currents
Electric potential
Harmonic analysis
Nonlinear equations
Permanent magnets
Waveform analysis
Electric generators
Issue Date: Dec-1999
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on energy conversion, Dec. 1999, v. 14, no. 4, p. 1385-1390 How to cite?
Journal: IEEE transactions on energy conversion 
Abstract: A two dimensional (2D) analytical method to predict the armature-reaction field in the slotted opening airgap/magnet region of a permanent magnet (PM) disc-type generator is presented. The currents in the slot is modeled by a uniform distributed current sheet along an arc at the slot opening. The analysis takes into account the harmonics in the armature current waveforms which are calculated from the voltage equations. The effects of the stator slot openings are being accounted for by the introduction of a 2D relative permeance function which is calculated directly from the nonlinear equation described by conformal transformation. A more refined permeance distribution can then be obtained easily.
ISSN: 0885-8969
EISSN: 1558-0059
DOI: 10.1109/60.815077
Rights: © 1999 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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