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 89
able the motor to start with a heavier load? Ans. An automatic clutch is provided which allows thearmature to turn free on the shaft until it accelerates almost torunning speed. ALTERNATING CURRENT MOTORS 1,347 This type motor is known as the clutch type of single phase inductionmotor. In operation… … Fig. 1S64.—Diagram showing action of shading coil in alternating current motor. Theextremities of these pole pieces are divided into two branches, one of which a copper ringcalled a shading coil is placed as shown, whiie the other is left unshaded. The action ofthe shading coils is as follows:…
Electrical engineering
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