The Magnetic Circuit, Vol. 1 (Classic Reprint)

Descripción:

pp. 308. N° de ref. del artículo 354337604

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Sinopsis:

Reseña del editor: Excerpt from The Magnetic Circuit

This book, together with the companion book entitled The Electric Circuit, is intended to give a student in electrical engineering the theoretical elements necessary for the correct understanding of the performance of dynamo-electric machinery, transformers, transmission lines, etc. The book also contains the essential numerical relations used in the predetermination of the performance and in the design of electrical machinery and apparatus. The whole treatment is based upon a very few funda mental facts and assumptions. The student must be taught to treat every electric machine as a particular combination of electric and magnetic circuits, and to base its performance upon the fundamental electromagnetic relations rather than upon a sepa rate theory established for each kind of machinery, as is some times done.

The book is not intended for a beginner, bit for a student who has had an elementary descriptive course in electrical engi neering and some simple laboratory experiments. The treat ment is somewhat different from that given in most other books dealing with magnetic phenomena. It is based directly upon the circuital relation, or interlinkage, between an electric current and the magnetic flux produced by it. This relation, and the law of induced electromotive force, are taken to be the fundamental phenomena of electro - magnetism. No use what ever is made of the usual artificial concepts of unit pole, magnetic charge, magnetic shell, etc. These concepts of mathematical physics, together with the law of inverse squares, embody the theory of action at a distance, and are both superfluous and misleading from the modern point of view of a continuous action in the medium itself.

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