[ A_min = \frac\sqrtI_sc^2 \times tk ]
Ensure cable can survive a fault until protection operates. how to calculate cable sizes
Vd=(mV/A/m)×Ib×L1000cap V sub d equals the fraction with numerator open paren m cap V / cap A / m close paren cross cap I sub b cross cap L and denominator 1000 end-fraction [ A_min = \frac\sqrtI_sc^2 \times tk ] Ensure