Analysis of Unbalanced Magnetic Pull in Wound Rotor Induction Machines using Finite Element Analysis – Transient, Motoring and Generating Modes

  • David G. Dorrell
  • , Alexander Niels August Hermann
  • , Bogi Bech Jensen

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    Abstract

    There has been much literature on unbalanced magnetic pull in various types of electrical machine. This can lead to bearing wear and additional vibrations in the machine. In this paper a wound rotor induction is studied. Finite element analysis studies are conducted when the rotor has 10 % rotor eccentricity. The operating conditions are varied so that transient, motoring and doubly-fed induction generator modes are studied. This allows greater understanding of the radial forces involved. Wound rotor induction machines exhibit higher unbalanced magnetic pull than cage induction machines so this is an interesting aspect of their characteristic to address.
    Original languageEnglish
    Title of host publicationProceedings of IECON 2013
    PublisherIEEE
    Publication date2013
    Pages7307 - 7312
    DOIs
    Publication statusPublished - 2013
    Event39th Annual Conference of the IEEE Industrial Electronics Society - Vienna, Austria
    Duration: 10 Nov 201313 Nov 2013
    Conference number: 39
    https://ieeexplore.ieee.org/xpl/conhome/6683943/proceeding

    Conference

    Conference39th Annual Conference of the IEEE Industrial Electronics Society
    Number39
    Country/TerritoryAustria
    CityVienna
    Period10/11/201313/11/2013
    Internet address

    Keywords

    • Indiction machines
    • Unbalanced magnetic pull
    • Doubly fed induction generators (DFIGs)
    • DFIGs

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