Cableizer ®

Mutual reactance between middle and outer cables in flat formation with earth return

Definition according to CIGRE TB 531 chap. 4.2.3.4

Symbol
$X_{c}$
Unit
$\Omega$/m
Formulas
$\omega \frac{\mu_{0}}{2\pi} \ln\left(\frac{D_{E}}{S_{m}}\right)$
Related
$D_{E}$
Equivalent depth of earth return path [m]
$\mu_{0}$
Vacuum permeability [H/m]
$\omega$
Angular frequency [rad/s]
$\pi$
Archimedes' constant $\pi$
$S_{m}$
Separation of conductors in a system [m]
Used in
$X_{ap}$
Equivalent mutual reactance between conductors [$\Omega$/m]
$Z_{c}$
Mutual inductance between middle and outer cables in flat formation with earth return [$\Omega$/m]