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Design of a stator for a high-speed turbo-generator with fixed permanent magnet rotor radius and volt-ampere constraints

Fernando, Nuwantha; Arumugam, Puvaneswaran; Gerada, C.

Authors

Nuwantha Fernando

Puvaneswaran Arumugam



Abstract

This paper investigates high-speed surface PM machine design for portable turbo-generator applications. The rotor radius is fixed to achieve certain optimal characteristics of the magnet retention mechanism. The basis of this paper is to design and select the stator. The stator designs are populated by different slot/pole combinations, winding arrangements and over a range of possible stack lengths. However, the design is constrained by physical diameter, stack length and electrical volt-ampere constraints. A large number of preliminary machine designs do not satisfy the specified turbo-generator torque/speed requirements under the given volt-ampere constraints and therefore it is ineffective to perform Finite Element analysis on all preliminary design variations. In order to establish the feasibility of a machine design to fulfill the specified turbo-generator torque/speed requirements, the concept of inductance-limits is presented and then linked with stator design parameters. By application of this analysis strategy, a confined optimal set of stator designs are obtained and are subjected to detailed finite element simulations. A final machine design is selected and fabricated. Experimental results are presented for the validation of the final machine design.

Citation

Fernando, N., Arumugam, P., & Gerada, C. (2018). Design of a stator for a high-speed turbo-generator with fixed permanent magnet rotor radius and volt-ampere constraints. IEEE Transactions on Energy Conversion, 33(3), 1311-1320. doi:10.1109/TEC.2018.2804955

Journal Article Type Article
Acceptance Date Jan 9, 2018
Online Publication Date Feb 12, 2018
Publication Date 2018-09
Deposit Date Jun 6, 2018
Publicly Available Date Jun 6, 2018
Journal IEEE Transactions on Energy Conversion
Print ISSN 0885-8969
Electronic ISSN 0885-8969
Publisher Institute of Electrical and Electronics Engineers
Peer Reviewed Peer Reviewed
Volume 33
Issue 3
Pages 1311-1320
DOI https://doi.org/10.1109/TEC.2018.2804955
Keywords Permanent magnet machine; Field-weakening; High-speed machines; Leakage inductance model
Public URL http://eprints.nottingham.ac.uk/id/eprint/52248
Publisher URL https://ieeexplore.ieee.org/document/8289362/
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingh.../end_user_agreement.pdf
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.

Files

Design of a Stator for a High-Speed Turbo-generator with Fixed Permanent Magnet Rotor Radius and Volt-Ampere Constraints.pdf (3.3 Mb)
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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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