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 291
{A— Piy + X-^Pr^B^ from which B may be calculated when / is known. The value of / may be cal-culated from the relation AI cos [A I) =^ P -f RI^ in which cos {AI) = I. Proof that I is a minimum when B is adjusted until A and I are in phase witheach other; A, X, R and P being given.—Plot the curve of… … 1 y-axi9 / / I I 1 / 11 1 ^ / y^ y^ / -^U-^ A -^ ■^1^^ ^^~~-^-^ /- ^B II II y^ \ X-axis an 0 I i\ \ Fig. 205. THE SYNCFiRONOUS MOTOR. 28 ><^ XI = XP=a consftmt. This curve is plotted in l-ig. 204 with the values of B cos{BI) laid ofif to the left inasmuch as /■, being an intake, is negative.…
Dynamos · Electric motors
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