International Library of Technology · Scranton, International Textbook Co. · leaf 27
Siii ill!lilipllil iImi! >>li liiiiiiiiiiiiiiiiiiii iiiliiii iiiiiiil^ii! |ii|i|iii I iiii!mlMn|l!l|!n!l!ll l]|jl||lj]|HI]j|llj]ll Fig. 1349. nfiU. E. IV.—20 2402 DYNAMO-Er:ECTRIC MACHINE DESIGN. … EFFECT OF BACK AMPERE-TURNS. 3560. We have, thus far referred only to the effect pro-duced by the cross ampere-turns of the armature. It is not possible, however, torun the dynamo withthe brushes set exactlymidway between thepole tips, and a certainangle of lead must begiven, as shown in…
Electrical engineering
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