Dynamos and motors; a text book for colleges and technical schools (1911)
Franklin, William S. (William Suddards), 1863-1930, Esty, William, 1868-1928 · New York The Macmillan company · leaf 196
RATINGS AND GUARANTEES. 185 compensating winding, which consists of a layer of wires, parallel to the armatureshaft, embedded in the pole faces, as shown in Fig. 126, and so connected that thetotal current, or a definite fraction of the current, from the brushes of the machineflows through each… … Fig. .126. this compensating winding is not ordinarily warranted on account of its cost. It is,however, an essential feature of the ordinary commutator motor when driven byalternating current, as exemplified in the recent development of the single-phase alter-nating-current motor for railways. See…
Dynamos · Electric motors
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