Permissible steady-state temperature rise of the conductor due to joule losses.

Symbol
$\delta \theta_{\mathrm{c}}$
Unit
K
Formulae
$- W_{\mathrm{d}} \left(T_{\mathrm{3}} + T_{\mathrm{4iii}} + \frac{T_{\mathrm{A}}}{2}\right) + \theta_{\mathrm{c}}$
Related
$T_{\mathrm{3}}$
$T_{\mathrm{4iii}}$
$T_{\mathrm{A}}$
$\theta_{\mathrm{c}}$
$W_{\mathrm{d}}$
Used in
$\delta \theta_{\mathrm{SPK}}$