Reactance steel pipe

Definition according to CIGRE TB 531 chap. 4.2.4.3

Symbol
$X_{d}$
Unit
$\Omega$/m
Formulas
$1.15\omega \frac{\mu_{0}}{2\pi} \ln\left(\frac{S_{sp}}{GMR_{sp}}\right)$
Used in
$Z_{d}$