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 79
Tig. 1,771.—Richmond slip ring armature as used on motorin fig. 1,770. Ques. Howis the arma-ture windingconnected ? Ans. It isconnected in Ygrouping andthe free endsconnected to theslip rings, leadsgoing from thebrushes to the Fig. 1,770.—Richmond slip ring motor. sistance motor thearmature winding… … PlG. .1,772.—Western Elec-tric riveted framesliprinRinduction motor for vari-able speed service; adapt-ed either to continuous orIntermittent operation. 1,338 HAWKINS ELECTRICITY variable external resistances, these being illustrated in fig. 1,779. Single Phase Induction Motors.—The general utility…
Electrical engineering
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