Single-phase transformer 135 MVA 330 kV
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Type | Single-phase four winding converter transformer |
Cooling system | OFAF |
Rated power (HV/LV1/LV2/TV), MVA | 135 / 67.5 / 67.5 / 50 |
Rated voltage (HV/LV1/LV2/TV), kV | 330/√3 / 67/√3 / 67 / 38.5 |
Vector group symbols | Yn / Y / D / D-0-11-11 |
Voltage regulation, range, No. of steps | OLTC on HV side, ±12х1.27% |
Rated frequency, Hz | 50 |
Special requirements | Transformer load -rectifire LV windings are tested with DC voltage 140 kV |