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 164
age will come up slowly,so that any fault or difficulty will develop gradually and can becorrected, or the machine stopped before any injury is done. Ques. How should a series machine be started ? Ans. The external circuit should be closed, otherwise a OPERA TION OF D YNA MOS 583 closed circuit… … Fig. 675.—Connections for two compound wound dynamos to run in parallel. The seriesfields of the machines are connected together in parallel by means of wire leads or bus bars,which connect together the brushes from which the series fields are taken. This is knownas the equalizer and is shown by…
Electrical engineering
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