Principles of Direct Current Machines (Classic Reprint) - Softcover

Langsdorf, Alexander S.

Softcover

ISBN 10: 1331129087 ISBN 13: 9781331129080

Verlag: Forgotten Books, 2018

Inhaltsangabe

Excerpt from Principles of Direct Current Machines

This book has been prepared with the object of placing before junior and senior students of electrical engineering a reasonably complete treatment of the fundamental principles that underly the design and operation of all types of direct-current machinery. Instead of attempting to touch the high Spots in the whole field of direct-current engineering, attention has been coneen trated upon certain important features that are ordinarily dis missed with little more than passing mention, but which, in the Opinion of the author, are vital to a thorough grasp of the subject. For example, the book will be found to contain in Chapter III a full derivation of the rules covering armature windings (follow ing Professor Arnold), in addition to the usual description of typical windings; Chapters VI and VII include a considerable amount of new material concerning the Operating character istics of generators and motors, the treatment being largely graphical and including the use of three-dimensional diagrams for depicting the mutual relationships among all of the variables; and in Chapters VIII and IX there has been developed a much more extensive treatment of the important subject of commuta tion than has been heretofore, easily accessible to students of the type for whom the book is intended. In the selection and arrangement of the material dealing with commutation, care has been exercised to eliminate those minute details and exces sive refinements that are more likely to confuse than to clarify.

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Reseña del editor

Excerpt from Principles of Direct Current Machines

This book has been prepared with the object of placing before junior and senior students of electrical engineering a reasonably complete treatment of the fundamental principles that underly the design and operation of all types of direct-current machinery. Instead of attempting to touch the high Spots in the whole field of direct-current engineering, attention has been coneen trated upon certain important features that are ordinarily dis missed with little more than passing mention, but which, in the Opinion of the author, are vital to a thorough grasp of the subject. For example, the book will be found to contain in Chapter III a full derivation of the rules covering armature windings (follow ing Professor Arnold), in addition to the usual description of typical windings; Chapters VI and VII include a considerable amount of new material concerning the Operating character istics of generators and motors, the treatment being largely graphical and including the use of three-dimensional diagrams for depicting the mutual relationships among all of the variables; and in Chapters VIII and IX there has been developed a much more extensive treatment of the important subject of commuta tion than has been heretofore, easily accessible to students of the type for whom the book is intended. In the selection and arrangement of the material dealing with commutation, care has been exercised to eliminate those minute details and exces sive refinements that are more likely to confuse than to clarify.

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This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Details zur Ausgabe

• Verlag: Forgotten Books
• Erscheinungsdatum: 2018
• ISBN 10: 1331129087
• ISBN 13: 9781331129080
• Einband: Tapa blanda
• Sprache: Englisch
• Anzahl der Seiten: 430
• Kontakt zum Hersteller: Nicht verfügbar