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Eccentric reluctance and permanent magnets synchronous machines comparison

Mahmoud, Hanafy; Bianchi, Nicola; Degano, Michele; Al-Ani, Mahir; Gerada, Chris

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Authors

Hanafy Mahmoud

Nicola Bianchi

MICHELE DEGANO Michele.Degano@nottingham.ac.uk
Professor of Advanced Electrical Machines

Mahir Al-Ani



Abstract

This paper deals with a comparative study between reluctance (REL), permanent magnet assisted reluctance (PMAREL), and surface mounted permanent magnet synchronous machines with rotor eccentricity. Static, dynamic, and combined eccentricity cases are considered. For the sake of generality, this comparison is carried out at different levels of airgap flux density, as different current angles, different permanent magnet (PM) materials, and different number of magnetic poles. Additionally, different stator windings arrangements, i.e, distributed and fractional slot concentrated windings are taken into account. Besides, different rotor geometries of REL and PMAREL machines are included. As a case of study, 36-slot machine is analyzed, considering three flux barriers per pole, however, the study can be applied to any machine geometry. Due to the structural criticality of the rotor iron ribs of the REL machines, the impact of the eccentricity on the mechanical stress acting on those ribs and the deformation of the rotor is studied.

Citation

Mahmoud, H., Bianchi, N., Degano, M., Al-Ani, M., & Gerada, C. (2018). Eccentric reluctance and permanent magnets synchronous machines comparison. IEEE Transactions on Industry Applications, 54(6), 5760-5771. https://doi.org/10.1109/TIA.2018.2848278

Journal Article Type Article
Acceptance Date Jun 6, 2018
Online Publication Date Jun 18, 2018
Publication Date 2018-11
Deposit Date Jun 14, 2018
Publicly Available Date Mar 29, 2024
Journal IEEE Transactions on Industry Applications
Print ISSN 0093-9994
Electronic ISSN 1939-9367
Publisher Institute of Electrical and Electronics Engineers
Peer Reviewed Peer Reviewed
Volume 54
Issue 6
Pages 5760-5771
DOI https://doi.org/10.1109/TIA.2018.2848278
Keywords Reluctance synchronous machine, Permanent magnet assisted reluctance machine, Surface mounted permanent magnet machine, Eccentricity, Finite element analysis, Mechanical stresses, Structural analysis, Deformation analysis
Public URL https://nottingham-repository.worktribe.com/output/939542
Publisher URL https://ieeexplore.ieee.org/document/8387456/
Additional Information © 2018 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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