Materials | Parameter and application | ||
Relative permittivity | Conductivity (S/m) | Application | |
Copper | 1 |
| Cable conductor |
XLPE | 2.3 |
| Main insulation |
Silicone Rubber | 4.3 |
| Joint insulation |
Semi-conducting material | 20 | 10 | Conductive layers and stress cone |
Insulation glue | 3.5 |
| Insulation gap |