Impuls short-circuit current

According to IEC 61914 in case of a 3- or 2-pole short circuit.

Symbol
$i_p$
Unit
kA
Formulas
$\kappa_k \frac{I_{k3}}{1000} \sqrt{2}$three-phase symmetrical fault
$\kappa_k \frac{I_{k2}}{1000} \sqrt{2}$phase-to-phase fault