Values for maximum temperature of jacket and bedding materials and of screen, sheath and armour materials are specified for following cable elements:

Symbol
$\theta_{\mathrm{kf}}$
Unit
°C
Formulae
$- \beta_{\mathrm{k}} + \left(\beta_{\mathrm{k}} + \theta_{\mathrm{ki}}\right) e^{\frac{I_{\mathrm{kAD}}^{2} t_{\mathrm{k}}}{K_{\mathrm{k}}^{2} S_{\mathrm{k}}^{2}}}$
Related
$\beta_{\mathrm{k}}$
$K_{\mathrm{k}}$
$S_{\mathrm{k}}$
$t_{\mathrm{k}}$
$\theta_{\mathrm{cmax}}$
$\theta_{\mathrm{ki}}$
$\theta_{\mathrm{kmax}}$
Used in
$I_{\mathrm{kAD}}$