Dynamos and Dynamo Design: Direct Current Motors; Alternating Currents; Alternators; Alternating-Current Apparatus (Classic Reprint) - Tapa blanda

Sinopsis

Excerpt from Dynamos and Dynamo Design: Direct Current Motors; Alternating Currents; Alternators; Alternating-Current Apparatus

This volume contains an exceptionally clear and complete treatment of the design of direct-current dynamos and motors, together with a detailed discussion of the theory of alternating currents and descriptions of modern alternating current machinery. In presenting the subject of design, a full discussion of the parts of the machines is first taken up, followed by complete demonstrations of design problems. The subject of armature windings receives special attention. Numerous winding diagrams are provided, indicating clearly the relative positions of the coils, pole pieces, and commu tator bars. The text accords with the best modern practice. The theory of the action of motors, their connections and the many systems of speed control are set forth in a clear and comprehensive manner. The importance of a knowl edge of alternating currents in the electrical-engineering profession is steadily growing. Illustrations and the graphical methods of treatment have been freely used.

The method of numbering the pages, cuts, articles, etc. Is such that each subject or part, when the subject is divided into two or more parts, is complete in itself; hence, in order to make the index intelligible, it was necessary to give each subject or part a number. This number is placed at the top of each page, on the headline, Opposite the page number; and to distinguish it from the page number it is preceded by the printer's section mark Consequently, a reference such as 16, page 26, will be readily found by looking along the inside edges of the headlines until 16 is found, and then through 16 until page 26 is found.

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