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Coefficient M for partial transient temperature rise

This is the coefficent $M_0$ used for calculating cable partial transient temperature rise acc. to IEC 60853-2.

Symbol
$M_0$
Unit
s
Formulae
$0.5\left(Q_A \left(T_A+T_B\right)+Q_B T_B\right)$
Related
$Q_A$
Element A of two-part thermal circuit [J/(m.K)]
$Q_B$
Element B of two-part thermal circuit [J/(m.K)]
$T_A$
Element A of equivalent thermal circuit [K.m/W]
$T_B$
Element B of equivalent thermal circuit [K.m/W]
Used in
$a_0$
Coefficient a for partial transient temperature rise [1/s]
$b_0$
Coefficient b for partial transient temperature rise [1/s]