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Practical calculation of dynamo-electric machines; a manual for electrical and mechanical engineers and a text-book for students of electrical engineering: continuous current machinery; (1902)

Wiener, Alfred Eugene · New York, Electrical world and engineer · leaf 684

An illustration from Practical calculation of dynamo-electric machines; a manual for electrical and mechanical engineers and a text-book for students of electrical engineering: continuous current machinery;, 1902, leaf 684
ay Generator.1600 Tolts. 600 Amps. 375 Revs, per Min. a. Probable Leakage Factor. — (From Figs. 365 and 366).Effective total length of armature conductor: Ze = 90 x 4 X -5 X 2 XQ82° = 683 feet. 12 I oO JThis machine, but bored for a 48-inch armature, is used in the powerstation of the West-End… … Figs. 365 and 366.—36o-KW Thomson-Houston Fourpolar Railway Generator,hence, by (144), p. 205: 2 X 620 x io8 50 = 72 x 683 x 70 = 3 °°° per square . • . v0 X 3C = 70 X 36,000 = 2,520,000. Ratio of radial clearance between armature and field topitch of slots: •553 therefore, by Table LXVL, p. 225:…

Electric machinery -- Design and construction · Electric machinery -- Direct current

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