Cableizer ®

Thermal capacitance A transient thermal circuit

Symbol
$Q_A$
Unit
J/(m.K)
Formulas
$Q_{c,t}+p_i Q_{i,t}$long-term transients
$Q_{c,t}+p_i Q_{i,t1}$short-term transients
Related
$p_i$
Apportioning factor insulation
$Q_B$
Thermal capacitance B transient thermal circuit [J/(m.K)]
$Q_{c,t}$
Thermal capacitance conductor transient (IEC 60853) [J/(m.K)]
$Q_{i,t}$
Thermal capacitance insulation (IEC 60853) [J/(m.K)]
$Q_{i,t1}$
Thermal capacitance insulation, 1st portion (IEC 60853) [J/(m.K)]
Used in
$M_0$
Coefficient M partial transient temperature rise [s]
$N_0$
Coefficient N partial transient temperature rise [s$^2$]
$T_{a0}$
Apparent thermal resistance a [K.m/W]