Ring Normal D4243 06:30 HQ authority: held TSGB Control Suite · deterministic 4400 Hz / 20 Hz SCADA

Asset register

Sweden ⇄ Norway

Cable link · L25 · Subsea 1.5 MV

Status
Live
Health
98.4%
Live carriage
StatusLive
Carried / operating1818 / 2500 MW · 72.7%
Phase current700 A
SF6 pressure150 PSI
Sealing-end temp39 °C
WithdrawalCoupled · low side live
Spare coreavailable
Health98.4%
As-built specification
Voltage1.5 MV (1,500 kV) AC, 50 Hz
Cores4 — three-phase trefoil + 1 spare
Conductor700 mm² Milliken segmented copper
InsulationXLPE · 150 PSI SF6 · carbon-fibre COPV
Rating4.5 GVA nameplate · ~3.8 GW operating · ~1,732 A/φ
Thermal class90 °C continuous / 110 °C short / 130 °C degrade
Withdrawal~30 m to galvanic air gap (absolute interlock)