Practical electricity, with questions and answers (1901)
Cleveland armature works, [from old catalog] comp, Lincoln, John C. [from old catalog] · [Cleveland, Ohio, Cleveland armature works] · leaf 164
armature current could easily flowinto it. If this should be the case the current in the coil bwould have to be built up almost instantly and a large cur-rent would flow from the tip of the brush into the com-mutator bar c jast as the bar was leaving- the brush.Enough current would flow, in fact,… … Figure 58 Current from armature 50 amperes. Brush covers half bar c all of b and half of a. Current into bar c, 123^ amperes. Current into bar b, 25 amperes. Current into bar a, 123^ amperes. Current through coil b, 12j^ amperes. Current through coil a, 123^ amperes. to make commutation still more…
Electricity · Electric generators
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