Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 1301
is needed. Efficiency of Transformers.—The losses in transformersare less than any other piece of electrical machinery or ap-paratus; 98 per cent of the intake being delivered in thelarger sizes as used in railroad sub-stations or power houses,when fully loaded. Unfortunately they lose about the… … Fig. 5S8 INTERIOR CONSTRUCTION OF AN AIR BLAST TRANSFORMER 11 ,s 1 • ? Fig. 589set of coils made up ready to be placed in transformer Transformers 1267 now equivalent to 4 K. W. on a 100 K. W.) its efficiencyis 48-7-50=0.96.