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
EventIECON 2013: 39th Annual Conference of the IEEE Industrial Electronics Society - Vienna, Austria
Duration: 10 Nov 201313 Nov 2013

Conference

ConferenceIECON 2013
CountryAustria
CityVienna
Period10/11/201313/11/2013

Keywords

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

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