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Determination of synchronous motor vibrations due to electromagnetic force harmonics

Lefèvre, Yvan and Davat, Bernard and Lajoie-Mazenc, Michel Determination of synchronous motor vibrations due to electromagnetic force harmonics. (1989) IEEE Transactions on Magnetics, 25 (4). 2974-2976. ISSN 0018-9464

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Official URL: https://doi.org/10.1109/20.34342


A method for the computation of magnetically induced stator vibrations in synchronous motors is presented. The electromagnetic field in the motor is calculated, and the fluctuations of the magnetic forces applied to the teeth of the stator are evaluated. The harmonics of these magnetic forces are calculated by means of a mechanical finite-element analysis, leading to determination of the motor vibrations. The method is used to compare vibrations produced by two permanent-magnet synchronous motors of different magnetic structures, one with radially oriented magnets and one with tangentially oriented magnets. The results clarify the mechanism of generation of the vibrations.

Item Type:Article
Additional Information:©1989 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works. Thanks to IEEE. The definitive version of this document is available at: http://ieeexplore.ieee.org/document/34342/
HAL Id:hal-01425155
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
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Deposited On:03 Jan 2017 12:41

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