DIMENSIONS OF A TRANSFORM K I; 



39 



this decrease is -mull when compared with the decrease in 

 the eddy l..ss revealed l.y cniitrastin^ the curves >f I'PJ. 1 I 

 with tho>e of Fig. 13. The resultant improvement which 

 1ms been effected may be seen by comparing the total core 

 in the new material, as indicated by the full liiu ^ in 

 1G, with the total core loss in the older variety as 

 indicated by the full lines in Fig. 15. The dotted lines in 

 1"> and 16 represent the hysteresis component repro- 

 duced ri.'in Figs. 13 and 11, and it is interesting to note 

 that the hysteresis component in the case of the new material, 

 is, at low periodicities, scarcely distinguished from the i 

 core loss. Thi> i> hr..u<jht out >till more strikingly by the 

 curves in Fi-j-. 17 and 18, where the liysteiv>is and eddy losses 

 are, both for the old and for the new material, plotted as ; 

 Ljes of the total core loss. 



ties which may usually be employed 



in oil-cooled traii-l'mi-rs consistently with obtaining results 

 with present-day standards are set forth in 

 Tali 



DATJ 01 < '"in: Dn 



A88UMril"N- IN I 



