Cableizer ®

Temperature difference insulation

Symbol
$\Delta \theta_{i}$
Unit
K
Formulas
$T_{ins} \left(W_{c}+\frac{W_{d}}{2}\right)$
Related
$T_{ins}$
Thermal resistance insulation [K.m/W]
$W_{c}$
Conductor losses (phase) [W/m]
$W_{d}$
Dielectric losses (phase) [W/m]
Used in
$a_{i}$
Parameter a for radial derivative of dielectric losses
$\delta_{i}$
Electrical thickness of insulation material [m]
$\Delta w_{d}$
Increment of volumetric density of dielectric losses in HVDC cables [W/m$^3$]
$\theta_{c,ins}$
Field limited conductor temperature [°C]