Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 365
adjusted. These feeders 340 PRINCIPLES OF ELECTRICAL ENGINEERING [Chap, xli supply transformers which are placed on poles, or undergroundin manholes, and step the voltage down to 110 volts for theconsumer. When it is necessary to transform to direct current as for exam-ple to supply power to a… … m n p Fig. 405.—Connections of an A.-C. to D.-C. motor-generator sub-station. wall bushings and are connected to the high-tension bus bars m,n and p. Power to operate the synchronous motor is taken fromthese bus bars through a delta-connected bank of transformers bywhich the voltage is reduced to…
Electrical engineering
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