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 197
shows the instant when the section [ is short-cir-cuited by the contact of the brush with the two commutator barsc and /. This state of affairs lasts for a very short time, and if anaction could be brought about zvhereby the previously existing currentin this section could be reduced to zero and an… … Fig. 127. (<?) As to the establishing of a reversed current in the sectionV while it is short-circuited, it is to be noted that electromotiveforces are induced in the armature windings everywhere exceptexactly in the neutral axis, as explained in Art. 68. Therefore,if we give the brush shown in…
Dynamos · Electric motors
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