Cableizer
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Inductance (mean)

Symbol
$L_m$
Unit
H/m
Formulae
$\frac{\mu_0}{2\pi} \ln\left(\frac{GMD}{GMR_c}\right)$without earth return
$\frac{\mu_0}{2\pi} \ln\left(\frac{D_E}{GMR_c}\right)$1 cable with earth return
Related
$D_E$
Equivalent depth of earth return path [m]
$GMD$
Geometric mean distance between phases of the same system [m]
$GMR_c$
Geometric mean radius of conductor [m]
$\mu_0$
Vacuum permeability [H/m]
$\pi$
Archimedes' constant $\pi$
Used in
$V_{drop}$
Voltage drop [V/(A.m)]
$Z_{ch}$
Surge impedance [$\Omega$]