Self impedance of phase conductor

Definition according to Cigré guide 531 chapter 4.2.3.4 (with earth return).

Symbol
$Z_{c}$
Unit
$\Omega$/m
Formulae
$R_{c} + 1.0 i X_{c}$symmetric system
$R_{c} + R_{earth} + 1.0 i X_{c}$with earth return
Related
$R_{c}$
$X_{c}$