Cableizer ®

Self reactance conductor

Definition according to CIGRE TB 531 chap. 4.2.3.4

Symbol
$X_{a}$
Unit
$\Omega$/m
Formulas
$\omega \frac{\mu_{0}}{2\pi} \ln\left(\frac{D_{E}}{GMR_{c}}\right)$
Related
$D_{E}$
Equivalent depth of earth return path [m]
$GMR_{c}$
Geometric mean radius conductor [m]
$\mu_{0}$
Vacuum permeability [H/m]
$\omega$
Angular frequency [rad/s]
$\pi$
Archimedes' constant $\pi$
Used in
$B$
Susceptance [S/m]
$Z_{a}$
Self impedance of phase conductor with earth return [$\Omega$/m]
$Z_{h}$
Zero-sequence impedance [$\Omega$/m]