 
 Line to ground fault:    
I1=I2=I0=j(-2.86) A 
Fault current = j(-8.57) A 

 
 Three phase fault:    
Fault current = j(-6.67) A 

Ratio of two fault currents = 1.286 A 

Thus single line to ground fault is 1.286 times that due to dead short circuit on the 3 phases 


