Cableizer ®

Parameter a for radial derivative of dielectric losses

Symbol
$a_{i}$
Formulas
$\frac{-\Delta \theta_{i}}{\left(r_{osc}-r_{isc}\right)^2}$min
$\frac{\Delta \theta_{i}}{\left(r_{osc}-r_{isc}\right)^2}$max
Related
$\Delta \theta_{i}$
Temperature difference insulation [K]
$r_{isc}$
Radius above the inner semi-conducting layer [mm]
$r_{osc}$
Radius over capacitive insulation layers [mm]
Used in
$\Delta w_{d}$
Increment of volumetric density of dielectric losses in HVDC cables [W/m$^3$]