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), 1833-1928 · New York : T. Audel & Co. · leaf 195
rying in intensityso as to progress in a series of throbbings or pulsations insteadof with uniform strength. THE DYNAMO: CURRENT COMMUTATION 175 Ques. What is generally understood by the word con-tinuous as applied to the current obtained from adynamo? Ans. It is usually accepted as meaning a… … Fig. 183.—Gramme ring armature with two coils placed 180° apart. This arrangement givesdouble the pressure of the one coil armature, fig. 182. It should be clearly understood at the outset that it is impossible toobtain a continuous current with a dynamo. The so called continuouscurrent which it is…
Electrical engineering
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