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 39
TRICITY As shown in the figure each coil is carrying 100 amperes at 1,000volts pressure. Since the phase difference between the two c^ils is90°, the voltage between A and B is > 2 = 1.414 times that betweeneither A or B and the common return wire C. The current in C is -\2 = 1.414 times that in… … SINGLE PHASE MOTORSFig. 2.154—Diagram of two phase three wire system and connections for motors and light-ing circuits. Ques. Why should the power factor be kept high? Ans. A high power factor should be maintained in order tokeep the voltage on the phases nearly the same at the receh-ingends. Ques.…
Electrical engineering
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