Symbol
$X_{\mathrm{S3}}$
Unit
Ω/m
Formulae
$2.0 \cdot 10^{-7} \omega \ln{\left (\frac{2 s_{\mathrm{S3}}}{d_{\mathrm{s}}} s_{\mathrm{c}} \right )}$2 or 3 single-core cables im flat formation without transposition, sheath bonded at both ends
$2.0 \cdot 10^{-7} \omega \ln{\left (\frac{2.5192599598948 s_{\mathrm{S3}}}{d_{\mathrm{s}}} s_{\mathrm{c}} \right )}$3 single-core cables im flat formation with regular transposition, sheath bonded at both ends
Related
$a_{\mathrm{S3}}$
$d_{\mathrm{s}}$
$\omega$
Used in
$X_{\mathrm{s}}$