NDLI: Efficient finite element solution of multipath eddy current problems

Content Provider	IEEE Xplore Digital Library
Author	Weiss, J. Cendes, Z.
Copyright Year	1965
Abstract	This paper presents a new formulation for the classical steady state multipath eddy current problem in two dimensions. The method consists of obtaining the magnetic vector potential and the source current density from the projective soiution of the diffusion equation and Ampere's law given the total measurable current flowing in the conductors. The method differs from previous work because it treats the source current density as an unknown and allows a one step solution of the problem. It is shown that the power system constraints are embedded in a natural way within the electromagnetic field model through the total measurable excitation current. It is also shown that this procedure is readily included in the finite element discretization process and leads to a simple and elegant solution. The technique is illustrated by way of a skin effect solution of an inverse T slot problem, four conductor busbar arrangement, and a sheath embedded power cable.
Sponsorship	IEEE Magnetics Society
Starting Page	1710
Ending Page	1712
Page Count	3
File Size	340140
File Format	PDF
ISSN	00189464
Volume Number	18
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1982-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Finite element methods Eddy currents Current density Current measurement Magnetic field measurement Electromagnetic measurements Conductors Power system modeling Steady-state Equations
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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