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 101
s. The regulation and efficiency of the system is impaired. The frequency, the field flux and the number of turns in the windinghave influence or the power factor. ALTERNATING CURRENT MOTORS 1,359 Ques. How does the frequency affect the power factor? Ans. Lowering the frequency tends to improve the… … Fig. 1>S6.—General Electric 5 H.P.. 6 pole adjustable speed single phase compensatedrep.lsion motor. This type is suitable for service requirements demanding the use of amotor whose speed can be adjusted over a considerable range, this speed at a fixed con-troller setting remaining practically…
Electrical engineering
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