Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 573
ging these coils, known as the long, the short, and thecombined shunt methods. The long shunt is shown in Figs. 80, 31, and 33. By making thesemotors with large masses of iron in the field, and working with nearly a straight-line char-acteristic, these machines are constructed on certain laws known… … Fig. 29.—Spragiie motor.R, the resistance of the armature. Then for the long-shunt machine, the law of winding is expressed by the equation. m _ f ; that is to say, the number of turns in the shunt n R + r coil must bear the same ratio to the number in the series coil, as the resistance of the…
Mechanical engineering
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