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 214
voltage is necessary between aconverter and the alternator which furnishes the current? Ans. The voltage must be reduced to the proper value by astep down transformer- 1,472 HAWKINS ELECTRICITY Voltage Regulation.—As the ratio of the alternating to thedirect current voltage of a converter is… … Brush A. Commutaforr Brusfh ^TriggerBrush \ irW fro/mHolder Brush Arm Fig. 2,050.—Westinghouse brush lifting device for commutating pole rotary converter. Arack is attached to each brush as shown. Into this rack the spring hinged lifting hookof the raising device engages only when the lifting lever…
Electrical engineering
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