Factor dielectric losses

The dielectric losses shall be taken into account for values of $U_o$ equal to or greater than the following values, else they may be omitted.

We calculate the dielectric losses for all AC systems independent of operating voltage level.

Symbol
$\lambda_d$
Related
Choices
$U_o$Material
$U_o \geq$ 127 kVPE, HDPE, XLPE
$U_o \geq$ 63.5 kVXLPEf, EPR, Oil, PPLP
$U_o \geq$ 38 kVMass
$U_o \geq$ 8 kVIIR
$U_o \geq$ 6 kVPVC
$U_o \geq$ 6 kVnone