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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 618

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 618
~ V7392 - i52) = I §137] EXAMPLES OF GENERATOR CALCULATION. 559 All other dimensions of the frame can be directly derivedfrom Fig. 353. … —45— . 353- — Dimensions of Field-Magnet Frame, 50 KW Double-MagnetType, Low-Speed Generator. C. CALCULATION OF MAGNETIC LEAKAGE. i. Permeance of Gap Spaces. — -~ 76 ~ 4375 = 439 Ratio of radial clearance to pitch : .8765 = .286; Product of field density and conductor velocity: 20,000 x 32 =…

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

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