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 227
. Motor Generator Sets.—The ordinary rotary converter isthe most economical machine for converting alternating currinto direct currents, and where slight variations in direct current voltage is necessary, they are mostly used on accountof their high efficiency, and because they are compact.… … > In manv2 central sta-1 tions where | o they supply a 5 great variety 9 of apparatus, | the motor K ~ generator sets > are employed _<; h as the gener- - • • i - ator is mde- | pendent of | the alternat- t ing current Jj line voltage : and any de- ■ gree of volt- | age regulation ~ can be…
Electrical engineering
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