Three-phase autotransformer 125 MVA 220 kV


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Type Three-phase three winding autotransformer
Cooling system ONAN/ONAF/OFAF
Rated power, MVA 75/100/125
LV rated power, MVA 37.8/50.4/63
Rated voltage, kV 230/121/11
Vector group symbols Ynauto/D-0-11
Voltage regulation, range OLTC on MV line side,  ±8х1,5%
Rated frequency, Hz 50
Special requirements Reduced no-load losses - 30 kW;
Continuous overload with OFAF cooling system  120 %
Designed for