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 15
CURRENT PHASEIMPRESSEDPRESSURE PHASE OR -SYNCHRONOUS POSITION synchronous MOTOR … OPPOSINGFL COMPONENTIMPRESSED \ SIN*PRESSURE X ?PHASEAV/G ECHANICAL IORREVERSE PRESSURE I SYNCRONC MOTOI Figs. 1,597 and 1,598.—Synchronous motor principles: V. The effectiveness of armature reac-tion in weakening the field is proportional to the sine of the angle by which the current lagsbehind…
Electrical engineering
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