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Factor $X_K$

Factor $X_K$ for the calculation of the screening factor for three-core cables.

Symbol
$X_{K}$
Formulas
$\delta_{1} \rho_{i} \frac{k_{sc}}{d_{c}}$round conductors
$\delta_{1} \rho_{i} \frac{k_{sc}}{d_{x}}$sector-shaped conductors
Related
$d_{c}$
External diameter conductor [mm]
$d_{x}$
Equivalent diameter conductor [mm]
$\delta_{1}$
Thickness screening layer [mm]
$k_{sc}$
Thermal conductivity screen material [W/(m.K)]
$\rho_{i}$
Thermal resistivity insulation material [K.m/W]
Used in
$K_{02}$
Factor $K_{0.2}$
$K_{06}$
Factor $K_{0.6}$
$K_{10}$
Factor $K_{1.0}$