Cableizer
Log in

Induced shield voltage in conductor p

Any conductor p, lying parallel with a set of three conductors carrying balanced three-phase currents, will have a voltage gradient $E_p$ induced along its length.

Symbol
$E_p$
Unit
V/m
Formulae
$+j \omega I_{kb} 2{\cdot}{10}^{-7} \left(\frac{1}{2} \ln\left(\frac{S_{ap} S_{cp}}{{S_{bp}}^2}\right)+j \frac{\sqrt{3}}{2} \ln\left(\frac{S_{cp}}{S_{ap}}\right)\right)$IEEE 575-2014
$-j \omega 2{\cdot}{10}^{-7} \left(I_{ka} \ln\left(\frac{S_{ap}}{r_g}\right)+I_{kb} \ln\left(\frac{S_{bp}}{r_g}\right)+I_{kc} \ln\left(\frac{S_{cp}}{r_g}\right)\right)$Energies 2022, 15-05010
Related
$I_{ka}$
Complex conductor current a [A]
$I_{kb}$
Complex conductor current a [A]
$I_{kc}$
Complex conductor current c [A]
$\omega$
Angular frequency [rad/s]
$r_g$
Geometric mean radius of the ground conductor [m]
$S_{ap}$
Distance between phases a + p (ground) [m]
$S_{bp}$
Distance between phases b + p (ground) [m]
$S_{cp}$
Distance between phases c + p (ground) [m]