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 157
ntsupplied to the motor passes through the field coils as well asthe armature. Fig. 416 is a diagram of a series motor showingthe connections and rheostat. Ques. What are the characteristics of a series motor? Ans. The field strength increases with the current, since thelatter flows through the… … Fig. 417.^General Electric type CL-B motor for slow and moderate speeds. It is of multi-polar construction, having six pole pieces. The advantages of slow speed machineryare generally understood, and in motors the additional outlay to secure slow speeds iswarranted, inasmuch as it results in…
Electrical engineering
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