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Method for modeling time-dependent nonuniform rotor/stator configurations in electrical machines
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.
2009 (English)In: IEEE transactions on magnetics, ISSN 0018-9464, E-ISSN 1941-0069, Vol. 45, no 7, 2976-2980 p.Article in journal (Refereed) Published
Abstract [en]

Nonuniform air gaps in electrical machines cause problems with forces and noise. There are a number of analytical and numerical methods to calculate the response due to nonuniform air gaps. In this paper, we present an efficient method based on an effective air gap permeability. Our unified method enables all nonuniform rotor-stator configurations to be simulated. We provide some results from simulations of static and dynamic eccentricity as well as irregularity.

Place, publisher, year, edition, pages
USA: IEEE , 2009. Vol. 45, no 7, 2976-2980 p.
Keyword [en]
Eccentricity, finite-element method (FEM), irregularities, unbalanced magnetic pull (UMP)
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-113150DOI: 10.1109/TMAG.2009.2015052ISI: 000267438300012ISBN: 0018-9464 (print)OAI: oai:DiVA.org:uu-113150DiVA: diva2:289878
Note

10729873 time-dependent nonuniform rotor-stator configurations electrical machines nonuniform air gaps forces noise effective air gap permeability dynamic eccentricity static eccentricity synchronous machines

Available from: 2010-01-25 Created: 2010-01-25 Last updated: 2017-12-12Bibliographically approved

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Lundin, Urban

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