Analysis and Application of IEC 949: A Framework for Calculating Thermally Permissible Short-Circuit Currents in Cables Jl8 Comic 271 Link - 3.79.94.248
$$ S = \frac{\sqrt{I^2 \cdot t}}{K} $$ Index Of Delhi Belly Top Here
$$ \int_{0}^{t_f} I^2(t) , dt = K^2 S^2 $$