Three-phase transformer 467 MVA 525 kV
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Type | Three-phase two winding generator transformer |
Cooling system | ONAN/ONAF/OFAF |
Rated power, MVA | 280.2/373.6/467 |
Rated voltage (HV/LV), kV | 525/18 |
Vector group symbols | Yn/D-11 |
Voltage regulation, range, No. of steps | NLTC of HV side, ±2х2,5% |
Rated frequency, Hz | 50 |
Special requirements | PEI=99.7 %; Seismic intensity 9 by MSK-64 scale HV bushing - oil-SF6 |