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 309
ve values ofthe alternating electromotive forces between adjacent rings of atwo-ring, a three-ring, a four-ring, and a six-ring converter in 300 DYNAMOS AND MOTORS. terms of the electromotive force E^ between the direct-current brushes E V 2 21/2 E,= ^ =0.500^, E E,= -^ =0.354^0 21/2 (55)(56)… … >Hi8o» practice. The departure of an actual machine from these idealratios depends upon : ist, the wave-shape of the alternating elec-tromotive force of supply; 2d, the wave-shape of the alternatingelectromotive force of the converter itself, which depends chieflyupon the percentage of the…
Dynamos · Electric motors
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