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

Symbol
$K_{\mathrm{10}}$
Unit
-
Formulae
$0.00345238 X_{\mathrm{K}}^{2} - 0.0528571 X_{\mathrm{K}} + 0.997976$round conductors, $0 < X_{\mathrm{K}} <= 6$
$0.000260292 X_{\mathrm{K}}^{2} - 0.0153782 X_{\mathrm{K}} + 0.883287$round conductors, $6 < X_{\mathrm{K}} <= 25$
$0.00535714 X_{\mathrm{K}}^{2} - 0.0769286 X_{\mathrm{K}} + 1.00171$sector-shaped conductors, $0 < X_{\mathrm{K}} <= 3$
$0.00533334 X_{\mathrm{K}}^{2} - 0.0752143 X_{\mathrm{K}} + 1.00117$sector-shaped conductors, $3 < X_{\mathrm{K}} <= 6$
$- 1.77427 \cdot 10^{-5} X_{\mathrm{K}}^{3} + 0.00105825 X_{\mathrm{K}}^{2} - 0.0227255 X_{\mathrm{K}} + 0.842875$sector-shaped conductors, $6 < X_{\mathrm{K}} <= 25$
Related
$X_{\mathrm{K}}$
Used in
$K$