Cableizer
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Element A of two-part thermal circuit

Symbol
$Q_A$
Unit
J/(m.K)
Formulae
$Q_{ct}+p_i Q_{it}$long-term transients
$Q_{ct}+p_i Q_{it1}$short-term transients
Related
$p_i$
Factor apportioning the insulation
$Q_B$
Element B of two-part thermal circuit [J/(m.K)]
$Q_{ct}$
Thermal capacitance of conductor (IEC 60853) [J/(m.K)]
$Q_{it}$
Thermal capacitance of insulation (IEC 60853) [J/(m.K)]
$Q_{it1}$
Thermal capacitance of insulation, 1st portion (IEC 60853) [J/(m.K)]
Used in
$M_0$
Coefficient M for partial transient temperature rise [s]
$N_0$
Coefficient N for partial transient temperature rise [s$^2$]
$T_{a0}$
Apparent thermal resistance a [K.m/W]