I am using SKM to analyze a system and the utility gave me the values in the following format..
12.47 kV source
Source Impedance
Z1 = 2.602 + j 45.463% 100MVA base ( 0.040 + j 0.707 Ohms)
Z0 = 0.918 + j 39.123% 100MVA base ( 0.014 + j 0.608 Ohms)
Fault Availability...