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 33
he secondary circuit is to furnish energyto produce a torque, instead of producing light and heat as in the caseof the transformer. Such comparisons are ill advised when made forthe purpose of supplying names for motor parts. There can be noconfusion by employing the simple terms armature and field… … Fig. 1,652.—Armature of Allis-Chalmers squirrel cage induction motor. The frame castingis of the box type and has large cored openings for ventilation. Lugs are cast on theinterior surface of the frame to support ths core, leaving a large air space between. Ques. Why are polyphase induction motors…
Electrical engineering
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