Thomälen, Adolf, 1865-, Thomälen Adolf. Kurzes Lehrbuch der Electrotechnik. English · London, E. Arnold · leaf 343
determine the current corresponding to any value ofthe angle between e.m.f. and terminal pressure. The vertical OZ in Fig. 342represents V, and the vector OY the e.m.f. E-^. The line ZY corresponds tothe pressure OF in Fig. 337. Hence, zy=/.Vi?„2+(ajL)2=/. ^0 or 7 = h ZY .{a). Instead of measuring… … Amps. ZOO ioo Fig- 343 to ZY. By repeating the construction for different values of y, and drawinga curve through the points thus obtained, we get the locus /, which showsat once the current corresponding to any value of y. The three curves P^, P and I, from Figs. 340, 341 and 342, are shownside by…
Electrical engineering
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