Symbol
$T_{\mathrm{3}}$
Unit
K.m/W
Formulae
$\frac{\rho_{\mathrm{j}}}{2 \pi} \ln{\left (1 + \frac{2 t_{\mathrm{3}}}{D_{\mathrm{a_{\mathrm{1}}}}} \right )}$general case
$1.6 T_{\mathrm{3}}$(part-)metallic sheathed single-core cables in trefoil formation
$\frac{\ln{\left (\frac{D_{\mathrm{prot}}}{D_{\mathrm{encl}}} \right )}}{2 k_{\mathrm{prot}} \pi}$GIL
Related
$D_{\mathrm{a_{\mathrm{1}}}}$
$D_{\mathrm{encl}}$
$D_{\mathrm{prot}}$
$k_{\mathrm{prot}}$
$\rho_{\mathrm{j}}$
Used in
$\delta \theta_{\mathrm{c}}$
$\Delta \theta_{\mathrm{d_{\mathrm{t}}}}$
$I_{\mathrm{c}}$
$Q_{\mathrm{B_{\mathrm{ab1}}}}$
$Q_{\mathrm{B_{\mathrm{ab2}}}}$
$Q_{\mathrm{B_{\mathrm{f}}}}$
$Q_{\mathrm{B_{\mathrm{j}}}}$
$T_{\mathrm{eq}}$
$T_{\mathrm{r}}$
$T_{\mathrm{tot}}$
$\theta_{\mathrm{c_{\mathrm{z}}}}$
$\theta_{\mathrm{e}}$