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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 289

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 289
e end surfaces of the pole portions, thefacing surfaces of the pole portions, and the inside projectionsof the pole portions; hence we obtain, with reference toFig. 164: 242 DYNAMO-ELECTRIC MACHINES. f X (/-- All leakage paths of the single magnet type being consideredin this formula, (193) gives… … •ft. Fig. 165. — Double Magnet Type. the double magnet type, Fig. 165, therefore, is given by theformula: (194) 5. Double Horseshoe Type. In the double horseshoe type, Fig. 166, the only leakageacross the polepieces takes place at the end surfaces and at

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

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