NDLI: Efficient Iterative Integral Technique for Computation of Fields in Electric Machines with Rotor Eccentricity

Content Provider	IEEE Xplore Digital Library
Author	Ciric, I.R. Hantila, F.I. Maricaru, M. Marinescu, S.
Copyright Year	1965
Abstract	To analyze the effects of small variations of the electric machine airgaps due to rotor eccentricity it is necessary to compute the magnetic field highly accurately. An efficient iterative integral technique is proposed, where the material nonlinearity is treated by the polarization method, with the magnetic field determined at each iteration by superposing the contributions of the given electric currents and the polarizations. This computation technique has great advantages over the finite element based procedures, namely, the change in the rotor position does not require the construction of a new discretization mesh, very small airgaps can be taken into consideration without increasing the amount of computation, and the calculated magnetic field in the air is divergenceless and curlless, thus eliminating the introduction of spurious forces. As well, the phase voltages and the magnetic forces are easily calculated from the magnetic field quantities.
Sponsorship	IEEE Magnetics Society
Starting Page	1015
Ending Page	1018
Page Count	4
File Size	704867
File Format	PDF
ISSN	00189464
Volume Number	48
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-02-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Rotors Stator windings Vectors Couplings Soft magnetic materials Tensile stress rotor eccentricity Electric machines iterative methods nonlinear field computation
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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