Practical electricity .. with questions and answers (1911)
Cleveland armature works, [from old catalog] comp, Lincoln, John C. [from old catalog] · [Cleveland, Ohio, Cleveland armature works] · leaf 155
rmature reaction is thesparking that occurs on the commutator of the direct cur-rent dynamo or motor. Every ordinary machinehas a load at ^^^hjch it will spark. Consid-eration of Fig. 55 shows that the current isflowing through the coil in one direction just beforeit reaches the brush and is… … Figure 55Comnmtation in Gramme ring armature. this in detail. Three coils are shown, a, b and c. In cthe current is traveling through the coil in one direction;(he coil b is short circuited by the brush. In c the curreuc/s traveling through the coil in the oppos-ite direction tcthat in a. 145 The…
Electricity
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