Ratio of peak cyclic temperature rise of the cable surface to the permissible steady-state temperature rise of the conductor due to joule losses.

Symbol
$k_{\mathrm{2}}$
Unit
p.u.
Formulae
$\frac{\delta\theta_{\mathrm{SPK}}}{\delta\theta_{\mathrm{c}}} = 1-M^{2} (1-k) \left( \sum\limits_{i=0}^5 Y_{\mathrm{i}} \left[\alpha(i+1)-\alpha(i)\right] + \mu_{\mathrm{IEC}}\left( 1-\alpha(6) \right) \right)$
Related
$\delta \theta_{\mathrm{c}}$
$\mu_{\mathrm{IEC}}$
Used in
$\delta \theta_{\mathrm{SPK}}$
$M_{\mathrm{1}}$
$R_{\mathrm{q12}}$