Electrical installations of electric light, power, traction and industrial electrical machinery (1902)
Kennedy, Rankin, d. 1917 · Edinburgh T.C. & E.C. Jack · leaf 111
for the iron circuit. To this should be added for joints 5 per cent., as there is always some resistance there, making 11 50 ampere-turns. The total flux will be equal to the sectional area, multipliedby the flux per square inch—13.8x81 = 1117.8. Of this amountabout TO per cent, mu.st be deducted… … Field Maanet Excitine Th ere is six incl inch for the two, making the bore 15] inchesspaces between the innerfaces of the hmbs, so that ifwe take 12 inches from thecircumference of the arma-ture tunnel, 48 inches, wewill get the length of arcof the polar circle formingthe N and S pole faces ;this…
Electrical engineering · Electric power
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