Thomälen, Adolf, 1865-, Thomälen Adolf. Kurzes Lehrbuch der Electrotechnik. English · London, E. Arnold · leaf 457
sented in Fig. 442 by the line OA. Since it must lag 90°behind the flux (S>^, the vector of the latter is drawnhorizontally to the left. The two fluxes which are dis-placed 90° in space have thus a phase displacement of 90°,giving a resultant rotatory field.If V be the ratio of the speed to the… … Fig- 443 two electromotive forces that O^ = v^y. It follows from this that at syn-chronism (1/ = i) the rotating field is constant in magnitude; at rest {v = 0)the horizontal component vanishes, whereas above synchronous speed itexceeds the vertical component. • We will now construct the vector…
Electrical engineering
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