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Torque Ripple Investigation in Squirrel Cage Induction Machines

Marfoli, Alessandro; Sala, Giacomo; Papini, Luca; Bolognesi, Paolo; Gerada, Chris

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Authors

Alessandro Marfoli

Giacomo Sala

Luca Papini

Paolo Bolognesi



Abstract

Low torque ripple of electrical machines is an important requirement for many different applications. The causes of torque fluctuations in squirrel cage asynchronous induction motors might be a challenging task due to the complex phenomena raised by the whole set of rotor bars. This paper proposes an accurate analysis of the torque contributions distinguishing in time-varying, synchronous and asynchronous components. The investigation is performed by adopting a general analytical approach based on a circuital modelling technique for electromagnetic devices. The analysis aims to identify spatial harmonic interactions between stator and rotor magneto-motive forces which generate torque components. The most interesting effects obtained from the analytical investigation are compared and validated against finite element results for the most significant operating points.

Citation

Marfoli, A., Sala, G., Papini, L., Bolognesi, P., & Gerada, C. (2019). Torque Ripple Investigation in Squirrel Cage Induction Machines. In 2019 IEEE International Electric Machines & Drives Conference (IEMDC) (140-146). https://doi.org/10.1109/IEMDC.2019.8785364

Conference Name 2019 IEEE International Electric Machines & Drives Conference (IEMDC)
Conference Location San Diego, CA, USA
Start Date May 12, 2019
End Date May 15, 2019
Acceptance Date Feb 17, 2019
Online Publication Date Aug 5, 2019
Publication Date 2019-05
Deposit Date Sep 26, 2019
Publicly Available Date Mar 29, 2024
Publisher Institute of Electrical and Electronics Engineers
Pages 140-146
Book Title 2019 IEEE International Electric Machines & Drives Conference (IEMDC)
ISBN 978-1-5386-9351-3
DOI https://doi.org/10.1109/IEMDC.2019.8785364
Public URL https://nottingham-repository.worktribe.com/output/2665241
Publisher URL https://ieeexplore.ieee.org/document/8785364
Additional Information © 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, 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 component of this work in other works.

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