Symbol
$X_{\mathrm{0}}$
Unit
Ω/m
Formulae
$2 f \pi \left(K_{\mathrm{BICC}} + 0.2 \ln{\left (\frac{d_{\mathrm{s}}}{d_{\mathrm{c}}} \right )}\right)$single-core cables, multi-core cables with separate sheaths
$2.76 f \pi \operatorname{log}{\left (\frac{d_{\mathrm{s}}}{GMD} \right )}$multi-core cables with common screen/sheath
Related
$a_{\mathrm{S3}}$
$d_{\mathrm{c}}$
$d_{\mathrm{s}}$
Used in
$Z_{\mathrm{0}}$