
 example 13 11   
 
 a   
fault MVA =(g/x)+(g*(n-1)/(x+nd)) 
 fault level is to equal to fault MVA if n=infinity 
 b   
 MVA=138.89MVA if n=5 
 MVA=178.57MVA if n=10 
 c   

fault level 250MVA 