Practical electricity .. with questions and answers (1911)
Cleveland armature works, [from old catalog] comp, Lincoln, John C. [from old catalog] · [Cleveland, Ohio, Cleveland armature works] · leaf 84
rse. It is easy to get cast iron as goodas that shown in ithe table. An equally close approximation to the ampere turnsrequired in the iron part of a machine may be had by takingthe ampere turns required for one inch of iron at a densitygiven by the table. Use the density closest to the one… … Figure 34Magnetic circuit of a 100 K. W. Westinghouse dynamo.6 J. 74 These figures are taken from a TVestinghouse 100 K. W.dynamo. In this machine we will make six calculations, for thepole pieces are made of thin pieces of sheet iron rivetedtogether. This makes the pole piece wrought iron and…
Electricity
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