Hawkins electrical guide. Questions, answers & illustrations; a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 162
ttention to this fact,■mbereapoa, the electhdty should be tumed oS from the tooL OPERA TION OF D YNA MOS 581 Oues. How should a dynamo be started? Ans. A dynamo is usually brought up to speed either bystarting the driving engine, or by connecting the dynamo to asource of power already in motion. In… … l-iG. 673.—Connections for two shunt wound dynamos to run in parallel. The positive lead ofeach machine is connected to the same bus bar. In starting, if but one machine is to beused, the dynamo is first brought up to speed and the voltage regulated by means of therheostat R and the voltmeter V.…
Electrical engineering
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