A conservative formula for determing the maximum available short circuit current (ISCC), available at the secondary of a transformer when the primary source is assumed to be of unlimited capacity is:ISCC = 100% / Zx% x Is, where Is = full load rating; Zx =impedance, Given a 75KW 240 volt transformer with 2% impedance will have a short circuit current of ___ .

A conservative formula for determing the maximum available short circuit current (ISCC), available at the secondary of a transformer when the primary source is assumed to be of unlimited capacity is:ISCC = 100% / Zx% x Is, where Is = full load rating; Zx =impedance, Given a 75KW 240 volt transformer with 2% impedance will have a short circuit current of ___ .