Puvaneswaran Arumugam
High-Speed Solid Rotor Permanent Magnet Machines: Concept and Design
Arumugam, Puvaneswaran; Xu, Zuyuan; La Rocca, A.; Vakil, Gaurang; Dickinson, Matthew; Amankwah, Emmanuel K.; Hamiti, Tahar; Bozhko, Serhiy; Gerada, C.; Pickering, Steve
Authors
Zuyuan Xu
A. La Rocca
GAURANG VAKIL GAURANG.VAKIL@NOTTINGHAM.AC.UK
Associate Professor
Matthew Dickinson
Emmanuel K. Amankwah
Tahar Hamiti
Professor SERHIY BOZHKO serhiy.bozhko@nottingham.ac.uk
Professor of Aircraft Electric Power Systems
CHRISTOPHER GERADA CHRIS.GERADA@NOTTINGHAM.AC.UK
Professor of Electrical Machines
Steve Pickering
Abstract
© 2015 IEEE. This paper proposes a novel solid rotor topology for an interior permanent magnet (IPM) machine, adopted in this case for an aircraft starter-generator design. The key challenge in the design is to satisfy two operating conditions that are a high torque at start and a high speed at cruise. Conventional IPM topologies that are highly capable of extended field weakening are found to be limited at high speed due to structural constraints associated with the rotor material. To adopt the IPM concept for high-speed operation, it is proposed to adopt a rotor constructed from semimagnetic stainless steel, which has a higher yield strength than laminated silicon steel. To maintain minimal stress levels and also minimize the resultant eddy current losses due to the lack of laminations, different approaches are considered and studied. Finally, to achieve a better tradeoff between the structural and electromagnetic constraints, a novel slitted approach is implemented on the rotor. The proposed rotor topology is verified using electromagnetic, static structural, and dynamic structural finite-element analyses. An experiment is performed to confirm the feasibility of the proposed rotor. It is shown that the proposed solid rotor concept for an IPM fulfils the design requirements while satisfying the structural, thermal, and magnetic limitations.
Citation
Arumugam, P., Xu, Z., La Rocca, A., Vakil, G., Dickinson, M., Amankwah, E. K., …Pickering, S. (2016). High-Speed Solid Rotor Permanent Magnet Machines: Concept and Design. IEEE Transactions on Transportation Electrification, 2(3), 391-400. https://doi.org/10.1109/TTE.2016.2592684
Journal Article Type | Article |
---|---|
Acceptance Date | Jul 4, 2016 |
Online Publication Date | Jul 18, 2016 |
Publication Date | 2016-09 |
Deposit Date | Jul 18, 2016 |
Publicly Available Date | Jul 18, 2016 |
Journal | IEEE Transactions on Transportation Electrification |
Electronic ISSN | 2332-7782 |
Publisher | Institute of Electrical and Electronics Engineers |
Peer Reviewed | Peer Reviewed |
Volume | 2 |
Issue | 3 |
Pages | 391-400 |
Series ISSN | 2332-7782 |
DOI | https://doi.org/10.1109/TTE.2016.2592684 |
Keywords | More-electric; Aircraft; High speed machines; Permanent magnet; Interior; Starter-generator; Structural; Solid rotor |
Public URL | https://nottingham-repository.worktribe.com/output/802336 |
Publisher URL | http://ieeexplore.ieee.org/document/7515169/ |
Additional Information | c2016 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 |
Contract Date | Jul 18, 2016 |
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