Impact factor

According to ECT185 Calculation of short-circuit currents (SchneiderElectric2005), chap. 3.4

Typical values are 1.8 for high and 1.4 for medium voltage cable.

Symbol
$\kappa_{k}$
Formulas
$1.02+0.98e^{-3\frac{R_{c}}{X_{1}}}$
Related
$X_{1}$
Used in