# Coefficient a for partial transient temperature rise

This is the coefficent $a_0$ used for calculating cable partial transient temperature rise acc. to IEC 60853-2.

Symbol
$a_0$
Unit
1/s
Formulae
$\frac{M_0+\sqrt{{M_0}^2-N_0}}{N_0}$
Related
Used in
$\Delta \theta_{c,t}$
$T_{a0}$