Inductance of phase 3

Symbol
$L_3$
Unit
H/m
Formulae
$\frac{\mu_0}{2\pi} \left(\ln\left(\frac{\sqrt{a_{31} a_{23}}}{GMR}\right)+1j \sqrt{3} \ln\left(\frac{a_{31}}{a_{23}}\right)\right)$three-phase system, individual
$L_1$three-phase system, trefoil
$\frac{\mu_0}{2\pi} \left(\ln\left(\frac{\sqrt{2} a_{12}}{GMR}\right)+1j \sqrt{3} \ln\left(\sqrt{2}\right)\right)$three-phase system, flat equal distance