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 16
torque which always pulls the armature around in the samedirection. A polyphase synchronous motor is self starting, because, before thecurrent has died out in the coils of one phase, it is increasing in those ofthe other phase or phases, so that there is always some turning effortexerted on the… … SYNCHRONOUS MOTOR SYNCHRONOUS MOTOR Figs. 1.599 ar.d 1.600.—Synchronous motor principles: VI. A single phase synchronous motorhas dead centers, just the same as a one cylinder steam engine. Two diagrams of themotor are here shown illustrating the effect of the current in both directions. When…
Electrical engineering
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