International Library of Technology · Scranton, International Textbook Co. · leaf 95
dynamo forany output, but this form is not advisable for machines ofmore than about 15 or 20 horsepower, as they become too 2470 DYNAMO-ELECTRIC MACHINE DESIGN. heavy. There is a saving in iron by subdividing the circuits,and we have already pointed out how the volume of currentmay be increased by… … LEAKAGE. 3693. The leakage factor which determines the size ofthe magnet core is not always to be taken as 1.25, as in^ \ ■ ^ the foregoing calcula-tions. In those machineshaving the yokes lyingclose to the pole-pieces,as, for example, thatshown in Fig. 1365, theremay be considerable leak-age…
Electrical engineering
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