Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 277
is applied to the winding of the single-phase machine shown in Fig. 289, an alternating current flowsthrough that winding. The conductors a, b, c, and d are thencarrying current and are in a magnetic field so that a force acts oneach conductor, while an equal and opposite force acts on thepoles and… … Fig. 289.—The synchronous motor.This would be the case if the machine was already running at such a speed that, during the time of half a cycle or in -^ seconds, Atthe rotor moves through the distance between two adjacent polesor through 1/p of a revolution. This speed, called the synchron-ous…
Electrical engineering
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