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Open AccessFeature PaperArticle

Reduced-Order Model of Rotor Cage in Multiphase Induction Machines: Application on the Prediction of Torque Pulsations

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Univ. Lille, Arts et Metiers Institute of Technology, Centrale Lille, HEI, L2EP—Laboratoire d’Electrotechnique et d’Electronique de Puissance-ULR2697, HESAM Université, F-59000 Lille, France
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Institut Vedecom, 23 bis Allée des Marronniers, 78000 Versailles, France
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Naval Academy Research Institute (IRENav), Ecole Navale, F-29240 Brest, France
*
Author to whom correspondence should be addressed.
Math. Comput. Appl. 2020, 25(1), 11; https://doi.org/10.3390/mca25010011
Received: 31 December 2019 / Revised: 23 January 2020 / Accepted: 27 January 2020 / Published: 29 January 2020
(This article belongs to the Special Issue Mathematical Models for the Design of Electrical Machines)
For three-phase induction machines supplied by sinusoidal current, it is usual to model the n-bar squirrel-cage by an equivalent two-phase circuit. For a multiphase induction machine which can be supplied with different harmonics of current, the reduced-order model of the rotor must be more carefully chosen in order to predict the pulsations of torque. The proposed analysis allows to avoid a wrong design with non-sinusoidal magnetomotive forces. An analytical approach is proposed and confirmed by Finite-Element modelling at first for a three-phase induction machine and secondly for a five-phase induction machine. View Full-Text
Keywords: multiphase induction machine; reduced order; rotor cage; torque pulsations multiphase induction machine; reduced order; rotor cage; torque pulsations
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MDPI and ACS Style

Mekahlia, A.; Semail, E.; Scuiller, F.; Zahr, H. Reduced-Order Model of Rotor Cage in Multiphase Induction Machines: Application on the Prediction of Torque Pulsations. Math. Comput. Appl. 2020, 25, 11.

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