Cableizer
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Impedance external of cable

Definition according to Cigré guide 531 chapter 4.2.1

Symbol
$\mathscr{z}_{ss}$
Unit
$\Omega$/m
Formulae
$\mathscr{z}_5+\mathscr{z}_{os}+\mathscr{z}_g$
Related
$\mathscr{z}_5$
Impedance of shield outer surface [$\Omega$/m]
$\mathscr{z}_g$
Impedance of earth return in ground [$\Omega$/m]
$\mathscr{z}_{os}$
Impedance of outersheath [$\Omega$/m]
Used in
$\mathscr{z}_{cc}$
Impedance of conductor [$\Omega$/m]
$\mathscr{z}_{cs}$
Impedance of conductor-screen [$\Omega$/m]