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 17
PHASE DIFFERENCE GREATER THAN 90° MOTOR STOPS EXTERNAL CIRCUIT … ALTERNATOR SYNCHRONOUS MOTOR PlGS. 1,601 to 1,604.—Synchronous motor principles- VII. An essential condition for syn-chronous motor operation is that the mechanical lag be less than 90°. Figs. 1,601 and 1,602represent the conditions which prevail when the lag of the motor armature ABCD isanything…
Electrical engineering
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