Comparative study of permanent magnet-synchronous and permanent magnet-flux switching machines for high torque to inertia applications

Al-Timimy, A. and Giangrande, P. and Degano, M. and Galea, M. and Gerada, C. (2017) Comparative study of permanent magnet-synchronous and permanent magnet-flux switching machines for high torque to inertia applications. In: 2017 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD), 20-21 April, 2017, Nottingham, United Kingdom.

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Abstract

This paper investigates the capability of both permanent magnet synchronous machine (PMSM) and permanent magnet flux switching (PMFS) machine to provide high torque to inertia ratio for applications with demanding response in terms of acceleration and fast dynamic. The PMSM has higher torque density and efficiency among different electrical machines. However, the presence of the permanent magnets can increase the rotor inertia. Thanks to its passive salient-pole rotor, PMFS machine is a suitable solution for those applications requiring lower inertia. This paper provides a comparative analysis between the PMSM and PMFS machines considering the torque to inertia ratio, the challenges of a flooded air gap and dimensional constraints. The electromagnetic performances of both machines have been evaluated by means of finite element method and a detailed sensitivity analysis is carried out for stator and rotor geometry.

Item Type: Conference or Workshop Item (Paper)
Additional Information: DOI: 10.1109/WEMDCD.2017.7947722 © 2017 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
Keywords: Flux switching machine, permanent magnet machine, finite element method, high torque to inertia ratio
Schools/Departments: University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
Identification Number: 10.1109/WEMDCD.2017.7947722
Depositing User: Eprints, Support
Date Deposited: 02 Aug 2017 10:54
Last Modified: 18 Oct 2017 18:13
URI: http://eprints.nottingham.ac.uk/id/eprint/44580

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