Electricians' operating and testing manual; (1910)
Horstmann, Henry C. [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. H. Drake & co · leaf 63
usive commutator section. Types of Dynamos 61 By tracing out the circuit from the brush A, it willbe seen that current enters at this brush, passesthrough coil 1-1 to brush A1 ; thence to field H, brushB, coils 2 and 4 in parallel, thence to brush B1 and outat the positive pole of the dynamo. With… … Figure 42 As the different coils are not in series with eachother but at times in parallel the brushes must be soarranged that at no time can a coil that is not gen-erating be left in circuit. Such a coil would simplyform a short circuit to the line and much of the cur-rent that should flow through…
Electrical engineering · Electric testing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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