Rated voltagekV / ±320
VSC load cycle testUT / 277.5 / 592
DC superimposed switching impulse voltage testU0 / 150 / 320
Up2,S450 / 700
Up2,O290 / 700
DC superimposed lightning impulse voltage testU0 / 160 / 320
Up1400 / 480
DC voltage testUT / 277.5 / 592
Compliance standards1. CIGRE 419 standard of the International Conference on Large High-Voltage Electric Systems; 2. TICW 7-2012 Test specification for extruded insulation power cables for DC transmission with rated voltage up to and including 500 kV
Rated currentA / not less than that of the connecting cable
Short-circuit currentnot less than that of the connecting cable
Conductor connectioncrimp type
Electric field control methodgeometric method
Insulating filling compoundsilicone oil
Creepage distancemm / >7812
Applicable cable cross-sectionmm2 / 400-2500
Weightkg / 750
Rated conductor temperatureduring normal operation / °C / 90
During short circuit°C / 250
Applicable ambient temperature range°C / -40-60
Altitude of service aream / 3000
Seismic intensity permitted at the terminationdegree / 8
Horizontal tensile force on connecting conductor permitted at the terminationkN / 2
Bending strengthkN·m / 20
Maximum internal pressureMPa / 2