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Fast Computation of Electromagnetic Vibrations in Electrical Machines via Field Reconstruction Method and Knowledge of Mechanical Impulse Response

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4 Author(s)
Dimitri Torregrossa ; Département Génie Électrique et Systèmes de Commande, Université de Technologie de Belfort–Montbéliard, Belfort, France ; Babak Fahimi ; Fran├žois Peyraut ; Abdellatif Miraoui

The main objective of this paper is to provide an efficient computational model for fast and accurate calculation of electromagnetically induced vibrations in electrical machines. Although a three-phase permanent-magnet synchronous machine has been used in this paper, the same methodology can be extended to other types of electric machinery. A brief comparison between the different methods for structural analysis in electrical machines is introduced. The method proposed in this paper uses finite-element analysis in order to extract the impulse responses that are used in calculating the vibration. A field reconstruction method is used for the electromagnetic field analysis.

Published in:

IEEE Transactions on Industrial Electronics  (Volume:59 ,  Issue: 2 )