Factor $\alpha_M$ for the calculation of the geometric factor for multi-core cables.

Symbol
$\alpha_{\mathrm{M}}$
Unit
-
Formulae
$\frac{1}{\left(\frac{X_{\mathrm{G}}}{\frac{X_{\mathrm{G}}}{Y_{\mathrm{G}} + 1} + 1} + 1\right)^{2}}$$n_{\mathrm{c}} \leq 2$
$\frac{1}{\left(\frac{2 X_{\mathrm{G}}}{\frac{2 \sqrt{3}}{3} \left(\frac{2 X_{\mathrm{G}}}{Y_{\mathrm{G}} + 1} + 1\right) + 1} + 1\right)^{3}}$$n_{\mathrm{c}} \geq 3$
Related
$n_{\mathrm{c}}$
$X_{\mathrm{G}}$
$Y_{\mathrm{G}}$
Used in
$\beta_{\mathrm{M}}$
$G_{\mathrm{1}}$