Cableizer
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Impedance of conductor

Definition according to Cigré guide 531 chapter 4.2.1

Symbol
$\mathscr{z}_{cc}$
Unit
$\Omega$/m
Formulae
$\mathscr{z}_1+\mathscr{z}_2+\mathscr{z}_3+\mathscr{z}_{ss}-2\mathscr{z}_4$
Related
$\mathscr{z}_1$
Impedance of conductor outer surface [$\Omega$/m]
$\mathscr{z}_2$
Impedance of insulation between conductor and screen [$\Omega$/m]
$\mathscr{z}_3$
Impedance of shield inner surface [$\Omega$/m]
$\mathscr{z}_4$
Mutual impedance of shield [$\Omega$/m]
$\mathscr{z}_{ss}$
Impedance external of cable [$\Omega$/m]