Design optimization of a high-speed synchronous reluctance machine

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

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), 233-243. 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
• Pages: 233-243
• 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: https://nottingham-repository.worktribe.com/output/905852
• Publisher URL: http://ieeexplore.ieee.org/document/8055613/
• 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