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Asset register

SGT2 415/1500 kV

Transformer · UK-SGT2 · United Kingdom — Felixstowe

Status
In service
Health
100.0%
Live state
StatusIn service
Loading41.6%
Winding / oil temp65 / 44 °C
Cooling stageOnan
Tap position0 (0.0%)
Differential (87T)0.0%
Gas / Buchholzclear
HV / LV current721 A @1.5 MV · 2604 A @415 kV
As-built specification
Ratio1.5 MV ↔ 400 kV, three-phase
Rating4,500 MVA per bank
Impedance~12% on rating
Tap changeron-load, ±9 steps × 1.25% (±11%)
CoolingONAN → ONAF → OFAF (staged)
Efficiency~98–99%
Redundancynominal + 1 spare (graceful de-rate)