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 237
in Fig. 168 sliozv these positive directions* On the basis of thischoice of signs, the clock diagram which shows the currents a, main 3 … Fig. 170. b and c and the electromotive forces A, B and C in therespective windings, becomes symmetrical as shown in Fig. 169. * It must not be imagined that the arrows in Figs. l68 and 170 represent theactual directions of the currents at any given instant. THE POLYPHASE SYSTEM. 22/ (J?)…
Dynamos · Electric motors
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