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

Symbol
$K_{\mathrm{02}}$
Unit
-
Formulae
$- 0.00141667 X_{\mathrm{K}}^{3} + 0.020262 X_{\mathrm{K}}^{2} - 0.123369 X_{\mathrm{K}} + 0.998095$round conductors, $0 < X_{\mathrm{K}} <= 6$
$- 1.37121 \cdot 10^{-5} X_{\mathrm{K}}^{3} + 0.000928511 X_{\mathrm{K}}^{2} - 0.0288721 X_{\mathrm{K}} + 0.82416$round conductors, $6 < X_{\mathrm{K}} <= 25$
$0.00752381 X_{\mathrm{K}}^{2} - 0.0945 X_{\mathrm{K}} + 1.00169$sector-shaped conductors, $0 < X_{\mathrm{K}} <= 6$
$- 1.55152 \cdot 10^{-5} X_{\mathrm{K}}^{3} + 0.000994933 X_{\mathrm{K}}^{2} - 0.0238413 X_{\mathrm{K}} + 0.811646$sector-shaped conductors, $6 < X_{\mathrm{K}} <= 25$
Related
$X_{\mathrm{K}}$
Used in
$K$