Factor $G_{0.5}$ in IEC for the calculation of the geometric factor for multi-core cables.

Symbol
$G_{\mathrm{s05}}$
Unit
-
Formulae
 $0.0158125 X_{\mathrm{G}}^{2} - 0.0651648 X_{\mathrm{G}} + 1.06798$ $n_{\mathrm{c}} \leq 2$ $0.0176917 X_{\mathrm{G}}^{2} - 0.0801857 X_{\mathrm{G}} + 1.09605$ $n_{\mathrm{c}} \geq 3$
Related
$n_{\mathrm{c}}$
$X_{\mathrm{G}}$
Used in
$M_{\mathrm{s}}$