Zero sequence reactance

The zero sequence resistance is the imaginary part of the zero sequence impedance.

Symbol
$X_0$
Unit
$\Omega$/m
Formulae
$2\pi f \left(0.2\ln\left(\frac{d_e}{d_c}\right)+K_{BICC}\right)$Single-core cables, multi-core cables with separate sheaths
$3{\cdot}2 \pi f{\cdot}0.46 \log\left(\frac{d_e}{GMD}\right)$Multi-core cables with common screen/sheath
Used in
$Z_0$