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 115
irect current motor, the energy supplied is found by multiplyingthe current strength by the voltage, but in all induction motorsthe effect of self-induction causes the current to lag behind thepressure, thereby increasing the amount of current taken bythemotor. Accordingly, as the increased current… … Pig. 1,913.—Fairbanks. Morse squirrel cage armature, showing ball bearings. It is evident, that if it were possible to eliminate the lag en-tirely, the real and apparent watts would be equal, and thepower factor would be unity. The importance of power factor and its effect upon bothalternator…
Electrical engineering
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