Electricians' operating and testing manual; a hand book for men in charge of electrical apparatus, repair men, trouble men, lamp trimmers, and electricians generally (1916)
Horstmann, Henry Charles, Tousley, Victor Hugo, 1875- joint author · Chicago, F.J. Drake & co · leaf 52
bout to short circuit the coil connected to the two 48 Operating and Testing segments to which it is nearest. This coil is, however,only a small part of the whole and a wrong placingof the brushes would not have the effect outlined be-fore in regard to armatures having but one coil. Nomatter how… … Figure 33 very low the current generated in it is, if it is in anactive part of the field at the time, quite sufficient tocause trouble, which usually indicates itself by moreor less severe sparking. If the coil is located in theneutral part of the field as that of Figure 32, for in-stance, there…
Electrical engineering · Electric testing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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