Dynamos and motors; a text book for colleges and technical schools (1911)
Franklin, William S. (William Suddards), 1863-1930, Esty, William, 1868-1928 · New York The Macmillan company · leaf 418
der cir-cuit in a direction to assist or oppose the bus-bar voltage, thus SWITCHBOARDS AND SWITCHBOARD APPLIANCES. 4O9 giving a decreased or increased voltage between the pair offeeders. In its usual form this type of voltage regulator is madesomewhat like an induction motor as follows : An iron… … Fig. 297. supply mains and the secondary winding is connected in serieswith the feeder circuit; then to turn the secondary member throughhalf a revolution is equivalent to rev^ersing its connections so thatthe electromotive force generated in the secondary may be addedto or subtracted from the…
Dynamos · Electric motors
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