International Library of Technology · Scranton, International Textbook Co. · leaf 383
load. 4088. The subdivision of the winding might be carried still further, and three slots for each pole-piece used. The E. M. F.s in the three sets of conductors would then be related as shown in Fig. 1591. Each of the groups would Tconsist of — turns, and the three E. M. F. s O a, O b, and O co… … Fig. 1591. the pole-pieces corresponds to 180°. The E. M. F. generatedin each set will be E^ = E^ = E^ = - —, xh (665.) and the resultant E. M. F. O d, Fig. 1591, will be X ■ kP y^\ = jQi X • 667. (666.) The effect of spreading out the coils into a three-coilwinding is, therefore, to reduce the…
Electrical engineering
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