Enclosure design for a high-speed permanent magnet rotor

A Borisavljevic, H Polinder, JA Ferreira

    Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

    22 Citations (Scopus)

    Abstract

    High-speed permanent magnet rotors need a non-magnetic enclosure so as to ensure structural integrity of the rotor at elevated speeds. Optimal design of the enclosure is the focus of this paper. Analytical modelling of mechanical stress in the rotor is presented. The model distinguishes between influences of enclosure geometry and fitting on the stress, while also considering rotational speed and operating temperature. Through analytical modelling, a relatively simple approach of optimizing the enclosure is achieved. This optimization approach was used in the design of a carbon fibre enclosure of an unconventional high-speed rotor with a disc shape. It is shown that a planar analytical model of stress with isotropic material assumption is sufficiently good for structural optimization of a permanent magnet rotor. (6 pages)
    Original languageEnglish
    Title of host publicationPower Electronics, Machines and Drives (PEMD 2010)
    EditorsB Drury, V Picket
    Place of PublicationBrighton, UK
    PublisherInstitution of Engineering and Technology - Power Network
    Pages1-6
    Number of pages6
    ISBN (Print)978-1-84919-231-6
    DOIs
    Publication statusPublished - 2010
    EventPEMD 2010, 5th IET International Conference on Power Electronics, Machines and Drives, Brighton, UK - Brighton, UK
    Duration: 19 Apr 201021 Apr 2010

    Publication series

    Name
    PublisherInstitution of Engineering and Technology - Power Network

    Conference

    ConferencePEMD 2010, 5th IET International Conference on Power Electronics, Machines and Drives, Brighton, UK
    Period19/04/1021/04/10

    Bibliographical note

    Informatiedrager: CD-Rom

    Keywords

    • conference contrib. refereed
    • Conf.proc. > 3 pag

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