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 27
phase field, and should behere used. ALTERNATING CURRENT MOTORS 1,285 not self-starting; but when the armature has been set in motionby external means, the reaction between the magnetic field and theinduced currents in the armature being no longer zero, a torqueis produced tending to turn the… … Fig. 1.629.—Richmond three phase induction motor on base fitted with screw adjusting gearfor shifting the position of the motor oa the base to take up slack of belt. Ques. Why is a single phase induction motor not self-starting? Ans. When the armature is at the rest, the currents inducedtherein are…
Electrical engineering
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