568 



ELECTRICAL MEASUREMENTS 



1.000 



~ , 



Secondary Amperes 

 (Current Transformer) Eatio Curve 



012 



4567 



Secondary Amperes 



(Current Transformer) Phase Angle Curves 



9 10 



Potential Tranaformer (Lines are for Non-inductive Load) Isolated Points R and P 

 re Eatio and Phase Angle Plotted against Volt-Amperes for 20 Per cent Power Factor 



9 



30 40 50 60 70 80 90 100 

 Secondary Voltage 



120 130 140 



Illustrating the E.'Cect of Change of Voltage upon Eatio and Phase Angle of a 

 Potential Transformer 



? 



4) 



