Factor $K_{1.0}$

Factor $K_{1.0}$ for the digital calculation of the screening factor for three-core cables.

Symbol
$K_{10}$
Formulae
$0.997976-0.0528571X_K+0.00345238{X_K}^2$round conductors, $0 < X_K <= 6$
$0.883287-0.0153782X_K+0.000260292{X_K}^2$round conductors, $6 < X_K <= 25$
$1.00171-0.0769286X_K+0.00535714{X_K}^2$sector-shaped conductors, $0 < X_K <= 3$
$1.00117-0.0752143X_K+0.00533334{X_K}^2$sector-shaped conductors, $3 < X_K <= 6$
$0.842875-0.0227255X_K+0.00105825{X_K}^2-1.77427e-05{X_K}^3$sector-shaped conductors, $6 < X_K <= 25$