THE INDUCTION MOTOR. 

 C D is the primary leakage-field ^ 



C~D = -- i 6~A 



C G is the secondary leakage-field ^ 2 . 



C~G = -- i A~C 



O G is the secondary field F z . By means of the scale for the fields the 

 secondary voltage can at once be determined. It must be borne in 



SCALE FOR M. M. F. SCALE FOR FIELDS 



1 2 3 45 AMP. 20 40 60 80 100 VOLTS 



OA-X,; AC-X 2 ; OOX 



"oLT-F,; OC-F; "OG-F 2 



OME, 



Fig. 45- 



J 

 7 



mind that O G is not proportional to the voltage at the secondary 

 terminals, but that it includes the ohmic drop in the secondary. 



151. Though the preceding considerations offer no great difficulty 

 in understanding them clearly, yet the transformer diagram becomes 

 surprisingly simple if we neglect the resistance of the primary. And 

 not only the diagram, but also its evolution, become so perspicuous 



82 



