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The Electromagnetic Field Propagation in a Spherical Core

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Author(s): Osama M. Abo-Seid | Ghada M. Sami

Journal: Journal of Electromagnetic Analysis and Applications
ISSN 1942-0730

Volume: 04;
Issue: 12;
Start page: 481;
Date: 2012;
Original page

Keywords: Electromagnetic Field | Wave Propagation | Magnetic Flux | Magnetic Cores

ABSTRACT
A simple and explicit derivation for the electric and magnetic fields in the ferromagnetic cores has been studied. An improved model for analyzing the distribution of electric and magnetic fields in a toroidal core is given. This leads to a basis system for the theoretical analysis of iron loss in the magnetic cores, so, the theoretical results have been evaluated. A method is used to perform numeric calculations of the magnetic field produced by the eddy current and displacement current due to the electric field which shield the magnetic flux from the inner portion of the core cross section. The results obtained from this work could be used to evaluate the skin effect in the conductors of a winding.
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