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Author: Clarence Edward Clewell
Publisher:
ISBN:
Category : Electric engineering
Languages : en
Pages : 136
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Book Description
Author: Clarence Edward Clewell
Publisher:
ISBN:
Category : Electric engineering
Languages : en
Pages : 136
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Book Description
Author: Clarence Edward Clewell
Publisher: Palala Press
ISBN: 9781357657642
Category :
Languages : en
Pages :
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Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: William Henry Timbie CL Edward Clewell
Publisher: Wentworth Press
ISBN: 9780526275526
Category : Science
Languages : en
Pages : 108
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Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: C. E. Clewell
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Clarence Edward Clewell
Publisher: Rarebooksclub.com
ISBN: 9781230032658
Category :
Languages : en
Pages : 34
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Book Description
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1914 edition. Excerpt: ...4 and 6 in the Manual. The object of this experiment is (a) to make a study of the factors by which the speed of the shunt motor may be adjusted or controlled; (b) to observe the tendency of the speed to decrease with increasing load; and (c) to take the observations for the calculation of the so-called regulation of the machine. Theory.--By the term Speed control is meant the changing of conditions exterior to the motor for the purpose of obtaining desired speed values. Thus, changing the field rheostat (by hand), the speed of the machine may be varied over quite a wide range; or changing the supply voltage across the armature terminals (by means of a rheostat in series with the armature or otherwise), the speed may be adjusted. On the other hand, as the load supplied by the motor is increased, for example, when an added load is placed on a hoist being raised by the machine, the motor slows down and thus permits an increased current to flow into the armature necessary Fig. 15.--Shunt Motor. The "Adjustable Resistance" is not Ordinarily Required in Addition to the Starting Box, but is here Used Merely for Convenience in Varying the Voltage across the Armature Terminals. for developing the additional mechanical force (or torque)The field winding, being connected to constant voltage supply mains, receives the same current as before in this case. This drop in speed depends on inherent properties of the motor, chief of which is the resistance of the armature winding. Changes which occur in the speed due to inherent properties determine the speed regulation as contrasted with changes which are made by varying conditions exterior to the machine, and referred to as speed control. Among the principal means for controlling the speed of a...
Author: Lloyd Champlin Eddy
Publisher:
ISBN:
Category : Electric currents, Alternating
Languages : en
Pages : 40
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Book Description
Author: Clarence E. Clewell
Publisher:
ISBN: 9780649443833
Category : History
Languages : en
Pages : 118
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Book Description
Author: Harry La Verne Twining
Publisher:
ISBN:
Category : Electric currents, Alternating
Languages : en
Pages : 66
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Book Description
Author: Clarence E. Clewell
Publisher: Forgotten Books
ISBN: 9781528563383
Category : Technology & Engineering
Languages : en
Pages : 110
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Book Description
Excerpt from Laboratory Manual; Direct and Alternating Current: Prepared to Accompany Timbie's Elements of Electricity This book of laboratory directions is designed for the use of students in courses other than that of Electrical Engineering, who take a brief amount of work in the fundamental principles of electricity. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com 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.
Author: Frederick Bedell
Publisher: Forgotten Books
ISBN: 9781330404669
Category : Technology & Engineering
Languages : en
Pages : 396
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Book Description
Excerpt from Direct and Alternating Current Manual: With Directions for Testing and a Discussion of the Theory of Electrical Apparatus This manual consists of a series of tests on direct and alternating current apparatus, selected with reference to their practical usefulness and instructive value. While the book has been prepared primarily for students, it is hoped that it may prove helpful to others. The presentation is in the form of a laboratory manual; the author, however, has not restricted himself to a mere statement of instructions for conducting tests but has directed the reader's attention to the principles that underlie the various experiments and to the significance of the results. Experience has shown that theory is more readily grasped when it is thus combined with its application and that the application is more intelligently made when its broader bearings are understood. The material has been systematically arranged and it is believed that the book may be found useful for reference or as a text, aside from its use in testing. From the text proper are excluded specialized tests and those that are of limited application or require unusual testing facilities, such tests being described in the appendices to the several experiments. These appendices thus permit a fuller discussion of some of the details of the tests and various modifications than could be included to advantage in the text proper. The tests in general are those that can be performed in any college laboratory. No attempt has been made to make the work exhaustive or complete; on the contrary every effort has been made to eliminate matter of secondary importance and that which is of questionable technical or pedagogical value. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com 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.
