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Maximum permissible conductor temperature rise

Maximum permissible conductor temperature rise above ambient.

Symbol
$\Delta \theta_{max}$
Unit
K
Formulas
$\theta_{cmax}-\theta_a$cables/PAC/GIL
$\theta_{hsf}-\theta_a$heat source
$\theta_{fo}-\theta_a$fiber optic cable
Related
$\theta_a$
Ambient temperature [°C]
$\theta_{cmax}$
Max. temperature conductor [°C]
$\theta_{fo}$
Temperature optical fiber [°C]
$\theta_{hsf}$
Temperature fluid [°C]
Used in
$\Delta W$
Incremental heat generated [W]
$F_{red}$
Derating factor