Factor $K_{0.2}$

Factor $K_{0.2}$ for the digital calculation of the screening factor for three-core cables.

Symbol
$K_{02}$
Formulae
$0.998095-0.123369X_K+0.020262{X_K}^2-0.00141667{X_K}^3$round conductors, $0 < X_K <= 6$
$0.82416-0.0288721X_K+0.000928511{X_K}^2-1.37121e-05{X_K}^3$round conductors, $6 < X_K <= 25$
$1.00169-0.0945X_K+0.00752381{X_K}^2$sector-shaped conductors, $0 < X_K <= 6$
$0.811646-0.0238413X_K+0.000994933{X_K}^2-1.55152e-05{X_K}^3$sector-shaped conductors, $6 < X_K <= 25$