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 139
ation, as: a. Self-exciting; b. Separately excited: Ier direct connected, or gear driven. c. Compositdy excited. 5. With respect to service requirements, as: a. Slow speed;eel; c. High speed; d. Water wheel type;c. Turbine dr. ALTERNATORS 1,127 Single Phase Alternators.—As a general rule, when… … Fig. 1.370.—Elementary four-pole single phase alternator. It has four inductors whosepitch is the same as the pole pitch. They are connected in series and terminate at thetwo collector rings as shown. The poles being alternate N and S, it is evident that therewill be two cycles of the current per…
Electrical engineering
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