An elementary book on electricity and magnetism and their applications (1919)
Jackson, Dugald C. (Dugald Caleb), 1865-1951, Jackson, John Price, b. 1868, Black, Newton Henry, b. 1874 · New York, The Macmillian Co · leaf 413
rom 2 to 5 per cent of the input.These are about equally divided at full load between the copperloss and the core loss. Since the copper loss is simply thePR loss in the windings, it increases with the square of theload current, and this is true for both transformer coils, becausewe have previously… … Fig. 257. — Eddy currents intransformer core. Thick-ness of laminations muchenlarged. The core loss in a transformer is caused by hysteresis andalso by the eddy currents that are set up in the steel lamina-tions. Energy is required to cause thechanges in magnetic flux in the core;how much, depends…
Electricity · Magnetism
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