110kV Three-winding no-load tapping Oil-immersed Power Transformer,110kV dual-winding load tapping Oil-immersed Power Transformer,110kV three-winding load tapping Power Transformer,110kV three-winding load no-excitation Power Transformer
80MVA 110kV Oil-immersed Power Transformer115kv /38.5kv/11.5kv
Power transformer: SFSZ-80000/110
Standard: IEC 600761
Operating conditions
Rated network voltage HV/MV/LV, (kV/kV/kV): 110/35/10KV
Maximum operating voltage HV/MV/LV, (kV/kV/kV):126/40.5/12KV
Climatic performance: -40 °С …+40 °С
Accommodation category
Ambient temperature, (°С)
Meters above sea level, (m) not exceeding 1 000 m
Earthquake resistance, (points), at least 6 (MSK-64)
Key features
Winding voltages rating HV/MV/LV, (kV/kV/kV) 115/38.5/11.5KV
Winding power rating HV/MV/LV, (MVA/MVA/MVA)
- ONAF 80/80/20
- ONAN, at least 48/48/12
Rated network frequency, (Hz)na 50
Scheme and group of windings connection: YNyn0d11
No-load current, (% no more) 0.5
Short-circuit voltage, (%)
HV-MV 15
HV-LV 18.5
MV-LV 7.0
Minimal value of peak efficiency indicator (PEI), (at least %) ≥99.723%
No-load losses, (kW) no more ≤36kW
Short-circuit losses on the principal tapping, (kW) no more ≤283kW
