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 10
itional coil be added to the elementary arma-ture, at right angles to the existing coil, and its ends suitablyconnected to a four part commutator, as in fig. 185, so that 222 HAWKINS ELECTRICITY one coil is in the position of best action, while the other is inthe position of least action, the… … Fig. 247.—Ring armature of four pole dynamo; diagram of winding and connections, showingdirection of the induced currents. The currents in the windings under the upper N and Spoles are opposed to each other and flow to the external circuit by the positive brush 1,and back to this half of the…
Electrical engineering
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