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 479
tic control. Ans. This consists of progressively cutting out sections ofa resistance connected in series with the motor. 2,570 HAWKINS ELECTRICITY An ordinary rheostat is used and the method is confined to singlemotor installations as in mining or other small industrial locomotives. Ques. Describe… … Figs. 3,553 and 3,554.—Details of General Electric type K controller construction. Fig. 3.55£method of fastening tips to segments; fig. 3,554, detail of cylinder casting assembly ELECTRIC RAILWAYS 2,571 Thus, when the two sections of the motor field winding are connectedin series, a strong field is…
Electrical engineering
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