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 65
he total flux per pole passing through thearmature. 34. The Armature. — In a dynamo, the loops of wire inwhich E.M.F. is induced by movement in a magnetic field,together with the iron core that sustains them, with thenecessary insulation, and with the parts connected imme-diately thereto,… … Fig. 20. ARMATURES. 53 Ring Armature, illustrated cliagrammatically in Fig. 20.Here the lines of force emanating from the N. pole flowthrough the iron core ofthe ring, and very fewacross the air space insidethe ring. Hence, whenwires are wound on thering, and the whole isrevolved about an axis…
Electric machinery
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