... 30~31500kVA Rated HV: 6,6.3,10,11,15,20,35kV Rated LV: 220,380,400,415,433V Oil-Immersed Transformer ... to effectively reduce no-load loss and no-load current.Oil-Immersed Transformer HV winding: HV winding is manufactured with high quality ... .0012501360120000.9016001640145000.8020002000174000.705.025002400202000.60 31502800240000.50 S11 Series 30 to 31500kVA 3Phase Two Winding Oil mmersed Transformer