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Design optimization of a high-speed synchronous reluctance machine

Di Nardo, Mauro; Lo Calzo, Giovanni; Galea, Michael; Gerada, C.

Authors

Mauro Di Nardo maurodinardo@nottingham.ac.uk

Giovanni Lo Calzo ezzgl1@exmail.nottingham.ac.uk

MICHAEL GALEA Michael.Galea@nottingham.ac.uk
Professor of Electrical Machines and Drives



Abstract

Synchronous reluctance machines, including the per¬manent magnet assisted variants are competitive motor topologies if the application requires high efficiency and a cost effective solution with a high flux weakening capability. However, increas¬ing operating speeds incur challenging design and development decisions, mainly in order to find design solutions that ensure the machines structural integrity without compromising the overall performance. In this paper, a comprehensive design procedure for high speed synchronous reluctance machines is presented. In order to validate the procedure, a 5 kW, 80000 rpm machine is considered. The proposed strategy consists of a two-step procedure in which the electromagnetic and structural designs have been properly decoupled dividing the design space in two subsets. Each subset mainly affects the electromagnetic or the structural performances. Several structural design optimizations have been then performed with the aim of finding the optimal trade-off between the rotor geometrical complexity (that defines the required computational resources) and the electromagnetic performance. The reported experimental tests of the prototyped machine validate the proposed design strategy which can be used as general guidelines on the structural design of synchronous reluctance machines.

Citation

Di Nardo, M., Lo Calzo, G., Galea, M., & Gerada, C. (2018). Design optimization of a high-speed synchronous reluctance machine. IEEE Transactions on Industry Applications, 54(1), https://doi.org/10.1109/TIA.2017.2758759

Journal Article Type Article
Acceptance Date Aug 29, 2017
Online Publication Date Oct 1, 2017
Publication Date Jan 18, 2018
Deposit Date Nov 27, 2017
Publicly Available Date Nov 27, 2017
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 1
DOI https://doi.org/10.1109/TIA.2017.2758759
Keywords Finite element analysis; High speed; Multi-physics design; Multi-objective optimization; Rotor structural design; Synchronous reluctance machines
Public URL http://eprints.nottingham.ac.uk/id/eprint/48151
Publisher URL http://ieeexplore.ieee.org/document/8055613/
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf
Additional Information c2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, 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 components of this work in other works

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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