Thomälen, Adolf, 1865-, Thomälen Adolf. Kurzes Lehrbuch der Electrotechnik. English · London, E. Arnold · leaf 385
ction as thefield. To make this clearer, we may imagine ourselves to be swimmingdown a rotor wire at A and looking out towards the north pole, then weknow from Amperes rule that the north pole would be driven in the clock-wise direction as shown by the dotted arrow. There is, of course, an equaland… … Fig. 382 116. General Principles of the Rotor 371 rotor revolves at the same speed as the primary field. There would then beno cutting of lines, no induced e.m.f. and no current in the rotor. When aload is applied to the motor spindle, a certain rotor current is essential tothe production of the…
Electrical engineering
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