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ElectroComponent Science and Technology
Volume 3, Issue 2, Pages 97-102
http://dx.doi.org/10.1155/APEC.3.97

Field and Circuit Models for the Wound Foil Inductor

Department of Electronic & Electrical Engineering, Loughborough University of Technology, Leicestershire, Loughborough, UK

Received 20 May 1976

Copyright © 1976 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The Wound Foil Inductor is an important example of inductive components with appreciable internal capacitance. It is examined from three viewpoints – electromagnetic field theory, distributed-parameter (or transmission-line), and lumped equivalent circuit. The analyses are compared, particularly in terms of phase gradients within a component, and the relationship between a two-dimensional field analysis and the now established lumped model is derived.