220kV oil -immersed power transformer

220kV oil -immersed power transformer Main characteristics of SAN BIAN SCI-TECH oil-immersed transformer: 1.High short-circuit resisting ability and fine mechanical performance 2.Low power consumption,low partial-discharge and low noise 3.No leakage,free of core and winding body lifting and no maintenance220kV Double-winding on-load regulating transformer Rated Power (kVA) Voltage combination Andtapping range(kV) Comnection symbol No-load Loss(kW) Load loss (kW) Impedance (%) No-load Current (%) H V LV 31500 *220 242 ±8×1.25% (8×1.5%) 6.3 *6.6 10.5 *11 35 38.5 Ynd11 37 135 12-14 0.77 40000 44 158 0.70 50000 51 189 0.63 63000 61 221 0.63 90000 79 288 0.56 120000 10.5 *11 35 38.5 96 347 0.56 150000 112 405 0.49 180000 130 459 0.49