Practical applied electricity; a book in plain English, for the practical man. Theory, practical applications and examples (1911)
Moreton, David Penn, 1882- · Chicago, The Reilly & Britton co · leaf 392
CUIT 381 In some cases the rotor is provided with a regular wind-ing, and this winding is connected to an external circuit bymeans of slip-rings. 419. Operation of the Induction Motor.—If the stator beconnected to a source of energy and the rotor is free to turn,it will run at such a speed that the… … Fig. 319 If the rotor were to run at the same speed that the magneticfield revolves, there would be no e.m.f. induced in its winding.Then in order that there be an e.m.f. induced in its winding,its speed must be less (in the case of a motor) than that ofthe magnetic field. If (Sf) represents the…
Electrical engineering
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