Table 4 Typical 525 kV HVDC cable parameters based on CIGRÉ benchmark.
Parameter | Specification |
|---|---|
Rated DC voltage | ± 525 kV |
Conductor material/Area | Cu/ 3000 mm2 |
DC resistance at 20 °C | 1.72 × 10− 8 Ω.m |
Main insulation thickness | 26.5 mm |
Relative permittivity (εr) | 2.4 |
Metallic screen/sheath material | Cu screen |
Screen thickness | 1.2 |
Outer jacket | 5 mm |
Overall diameter | 153 mm |
Rated conductor temperature | 90 °C |
Length of C-14 | 300 km |
Length of C-12 | 100 km |
Length of C-23 | 300 km |
Length of C-34 | 2.5 km |
