Question on fault current

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kingpb

Senior Member
Location
SE USA as far as you can go
Occupation
Engineer, Registered
I'm curious as to how this comes out, but I need to know;

1. What is the voltage on the HV side of the transformer?
2. What is the (R and X values of short circuit impedance) or (X/R of the system and impedance Z)? This info will come from utility. You cannot do calcs without it.
3. What is the actual size (KVA) of the transformer and impedance of the transformer?
 
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