Cableizer
Log in

Equivalent mutual reactance between conductors

Definition according to Cigré guide 531 chapter 4.2.3.8

Symbol
$X_{ap}$
Unit
$\Omega$/m
Formulae
$\omega \frac{\mu_0}{2\pi} \ln\left(\frac{D_E}{GMD}\right)$general case
$\frac{2X_c+X_L}{3}$flat formation
Related
$D_E$
Equivalent depth of earth return path [m]
$GMD$
Geometric mean distance between phases of the same system [m]
$\mu_0$
Vacuum permeability [H/m]
$\omega$
Angular frequency [rad/s]
$\pi$
Archimedes' constant $\pi$
$X_c$
Mutual reactance between middle and outer cables in flat formation with earth return [$\Omega$/m]
$X_L$
Mutual reactance between outer cables in flat formation [$\Omega$/m]
Used in
$Z_x$
Equivalent mutual impedance between cables with earth return [$\Omega$/m]