The standard manual of dynamos and practical application of dynamo-electric machinery (1915)
MacFadden, Carl K. [from old catalog], Ray, William D., [from old catalog] joint author · Chicago, Laird & Lee, inc. · leaf 37
ng practically a perfectly con-tinuous current. The proper placing of the armature coils in the mag-nelic field between the pole pieces of the field magnets. ja THEORY OF DYNAMOS. has taken an immense amount of study and experiment,and we to-day have two general types of armature, thedrum and the… … FIGURE 13.—CURRENT WAVES OF FOUR COII*RING ARMATURE. having but two field magnet poles, are so wound as toform loops similar to that shown in figure 5. This typeof armature, with many coils each of several turns, is thetype usually used for incandescent lighting and powerwork by direct currents.…
Electrical engineering · Electric machinery
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