Dynamo electric machinery; its design, construction, and operation; direct-current machines (1915)
Sheldon, Samuel, 1862-1920, Hausmann, Erich, 1886- joint author · New York, D. Van Nostrand Company; · leaf 123
s is acrossthat of the main field flux.In operation, however, bothof these fields exist simul-taneously, and the resultantflux through the armatureis obtained by combining these two conditions as in Fig. 70.The flux distribution through the generator field poles andarmature is thus non-uniform, and… … Fig. 69. 112 DYNAMO ELECTRIC MACHINERY. generator because it increases the reluctance in two ways,— {a) by saturating the iron at the pole pieces and thus
Electric machinery
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