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 35
two phasecurrent. Ques. How mustan alternator beconstructed togenerate two phasecurrent? Ans. It must havetwo independentwindings, and thesemust be so spacedout that when thevolts generated inf the two phasesat a maximum,those generated inthe other are at zero. ALTERNATING CURRENTS 1,023 In other… … MAXIMUM VELOCITY REVERSE DIRECTION Pigs 1 254 and 1,255.—Hydraulic analogy illustrating two phase alternating current. In thefigure two cylinders, similar to the one in fig. 1.251, are shown, operated from one shaftbf crank and Scotch yoke drive. The cranks are at 90° as shown and the cylinders…
Electrical engineering
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