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 230
hile an induction motor requires no separate excitation of thefield magnets like the synchronous motor, its effect on the power factorof the system is undesirable. i7.4TT-iT7.V5 ELECTRICITY alter-nating, such an arrangement of :. nenf motoralternator is of in place of an fa erter,as in this case I… … Fig. 1 l motor will Frequency Changing Sets.—A frequency of 25 eye.generally used on railway work and in I Edison three wire system, and as a 25 cycle current is not desirablefor electric lighting it is necessary to change it to 60 cycles bymeans of a frequency changer shown in fig. 2,069 for…
Electrical engineering
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