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 142
differing in phase by 90 degrees, will be delivered to the external circuit. Thus a two phase alternator willdeliver two currents differing in phase by one-quarter of a eye.similarly a three phase alternator (the three armatures of which are-) degrees from each other) will deliver three currents… … 7:- w of elementary two phase four pole alternator and sine curves,f current or piessme generated daring one revolution of the arma-nding for the three phases are here visible, the field magnets being■ent so that aQ of the inductors may be seen. By applying :ors piogiesa under the poles, the…
Electrical engineering
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