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Reactance section 1

Symbol
$X_{S1}$
Unit
$\Omega$/m
Formulae
$\omega \frac{\mu_0}{2\pi} \ln\left(\frac{2s_{S1} s_c}{d_e}\right)$cable without transposition
$\omega \frac{\mu_0}{2\pi} \ln\left(\frac{2s_{S1} a_m}{d_e}\right)$cable with regular transposition
Related
$a_m$
Mean distance between the phases [mm]
$a_{S1}$
Length of 1st minor section [p.u.]
$d_e$
Equivalent diameter of screen/sheath and armour [mm]
$\mu_0$
Vacuum permeability [H/m]
$\omega$
Angular frequency [rad/s]
$\pi$
Archimedes' constant $\pi$
$s_c$
Separation of conductors in a system [mm]
$s_{S1}$
Spacing between phases in 1st section [p.u.]
$X_{S2}$
Reactance section 2 [$\Omega$/m]
$X_{S3}$
Reactance section 3 [$\Omega$/m]