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 277
n of P with ^ may be shown in greater detailas follows : Draw a line ss through 0, Fig. 192, at right angles 266 DYNAMOS AND MOTORS. to ef, as shown in Fig. 196. Consider that if machine A runsmomentarily faster than B or, in other words, if machine Bruns momentarily slower than A, then the angle… … ■730^ ~ticr Fig. 195. XfO value of P is positive and machine B gives out power ; whenthe point P, Fig. 196, is at s or s, however, the value of OQis zero and machine B neither gives out nor takes in power;and when the point P is anywhere in the region sMs the valueof OQ is negative, and machine B…
Dynamos · Electric motors
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