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 70
what more economical in copper. A 4-pole two-circuit, or wave winding is shown diagram- matically in Fig. 25, in which the inductors are represented by the short radial linesand the end conneetions bythe lines joining them.The brushes are placedinside the commutator forclearness. Fig. 26 showsthe…
Electric machinery
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