Loss factor of insulation

The values for the loss factor of insulation are taken from standard IEC 60287-1-1 Ed.2.1 where available with the following additions:

Symbol
$\mathrm{tan} \delta_i$
Used in
$G$
Choices
MaterialValue
PE0.001
HDPE0.001
XLPE0.004 (U_n <= 30kV)
0.001 (U_n > 30kV)
XLPEf0.005
PVC0.1
EPR0.02 (U_n <= 30kV)
0.005 (U_n > 30kV)
IIR0.05
PPLP0.0014
Mass0.01
OilP0.0035 (self-contained U_n <= 60kV)
0.0033 (self-contained 60kV < U_n <= 150kV)
0.003 (self-contained 150kV < U_n <= 280kV)
0.0028 (self-contained 280kV < U_n <= 500kV)
0.0045 (pipe-type oil-filled)
0.004 (pipe-type external gas pressure)
0.0045 (pipe-type internal gas pressure)
PP0.001
SiR0.025
EVA0.022