Single-phase transformer 135 MVA 330 kV


3D model view

 
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