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 224
altered, and the armature be suppUed with a currentflowing in the same direction as when the machine wasoperated as a generator, then the direction of rotation willbe opposite to that while driven as a generator. Thus, ifthe positive brush of the generator be connected to thepositive terminal of an… … Fig. 130. Fig. 131. wound dynamos are shown respectively in Figs. 130 and131, in which the full arrows represent generator condi-tions and the dotted arrows represent motor conditions, theconnections to the circuit remaining unchanged. In shunt-wound, separately excited and magneto machines, since…
Electric machinery
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