Thomälen, Adolf, 1865-, Thomälen Adolf. Kurzes Lehrbuch der Electrotechnik. English · London, E. Arnold · leaf 417
perpendicular to Og and alsoto /q, as shown in the figure. The ordinate ^^ is therefore the energy com-ponent /j cos ^ of the primary current. The product k. ^ofih i^ equal to theelectromotive force E-^, and therefore also to the primary terminal pressureV^. On substituting these values, we get P,… … Fig- 405 The power Pg is transmitted to the rotor by means of a field whichrotates with an angular velocity co = 2Trfi/p, and it is immaterial whetherthe rotor is fixed or rotating. The torque is obtained by dividing the powerby the angular velocity, hence Mf= ^= f-o~ met.-kg. If we substitute for…
Electrical engineering
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