Voltages between shields/sheaths at the cross-bonding points phases a-c

Definition according to IEEE 575-2014 Annex E.1.4

Symbol
$V_{ac}$
Unit
V
Formulae
$I_{kc} \left(Z_{sg}-Z_{ss}+R_s\right)$single-phase fault minor section 1, cross-bonded
$I_{kc} I_{kx} \left(Z_{ss}-R_s-Z_{oog}\right)$single-phase fault minor section 1, cross-bonded, flat