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 58
Fig. 22. Tlie midtipolay dircct-curroit dyiimiio. — Figure 23 shows aring-wound armature rotating inside of a crown of six in-wardly projecting field magnet poles. The electromotive forceswhich are induced in the windings as they sweep across the polefaces cannot produce current in the endless wire… … >-vv>_-»-~vJ Fig 23. Fig. 24. In order to utilize the induced electromotive forces eeccce, Fig.24, for the production of direct current, six brushes aaa andbbb. Fig. 23, should be used. Three of these brushes maintaincontact with the windings at aaa, Fig. 24, and through all 48 DYNAMOS AND…
Dynamos · Electric motors
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