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 126
a Gramme ring armature andalso the path of the lines. Fig. 40 shows the cutting in theinternal bi-polar machine shown in Fig. 31. r*Pl ® rt-l N S i 1 Figure 45Production of E. M. F. in Gramme ring armature. 113 la the gramme ring armature the lines cross the airgap and pass around the ring from… … Figure 46Production of E. M. F. in drum armature. By applying the rule on page 47, we see that the cur-rent tends to flow toward the observer in the wires in theair gap in the lower part of the armature. The same rule shows that the current flows away fromthe observer in the upper part of the…
Electricity · Electric generators
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