LIST OF ILLUSTRATIONS 



1. nutiiiM- sketch ,,f a K.-presentative Design of a Core-typ.- 



Ie-pha0e Transformer 17 



- Outline sketch of a Representative Design of a Slu-ll-tx ]> 



It '-phase Transformer is 



1 >ut line Sketch of a Type of Transformer adapted from Dr. 



Kittler's ' Handluu'h d.-r KU-ktn.te-hnik." 1 v_> . . i) 



I. I 'iairiMininatiV .Sketch of " 15--1TY " Ti an-t'.rmer . . . HI 

 ~>. 17o'>-k\a '_'.")- cycle Core-type Three-phase Westinghouse 



Transformer 



$ngle-phAM L< It Shell-typo Transformer, 



Imilt liy thi- W.^tiiiirhmise Co. for th- South.-ni i 



7. riirvt-* >hiiwing Full-load Kflicirm-y f SiiiL r l'-ph:i-- Tran-- 



for Different Bated Outj" . nd 

 Primary Voltages j . 



8. Curves sho\vin- "Volt- \>r Turn" t..r Siiigh'-ph:^,- Tr.in 



finiRr> for Iiiflrrnit Rated Outputs, Fivqurndo and 



1'rii _'os _'T 



]"T Turn " of Sin_i:lr-]li:iM- Tivin-- 



l Output- and r.-rioili.-it;. 

 I ; Curv I! I'.-. < IjolM .... l's 

 [0. I 



11. 1! <'urvos tor Vaiiou- l'crio ( liciti-> for ( ld lli-h 

 ' 1: 



1-. 1 i ' u-ii.us Periodit 



Alloy Str.-l .... 



}''. r.-l-ly < forrenl I."-- < 'm >ld 

 v Resistance Sheet Iron 



J-Mdy < 'uiT.-nt I.-- 



ili-h li.-Mstall.-r All 



Total I.o>> i in . ;,! Hi-li I.oss 



:, . 



'. 



Steel . 



^ showing th. 1 rent 



-s us a Percentage of the Total Loss for I li.-i-. an<l Low 

 Steel ... 



on u Transformer Cores for Various 



I'll i< knesses of Stampings 44 



