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--Typical Technical Parameter - Oil-immersed
220kV Power Transformer
220kV Three Phases Double Windings Power Transformer with Off-circuit Tap Changer
Rated Voltage ratio Vector No-load Load loss No-load Short-circuit
capacity (kV) loss current impedance (kVA) group (kW) (kW)
（％） （％） HV LV 31500 6.3 26 128 40000 6.6 31 149 0.3 50000 10.5 36 178 63000 11 41 208 75000 10.5 47 237 90000 11 50 272 0.2
120000 13.8 61 327 150000 220士2X2.5% 11 83 380 YNd11 12-14160000 242士2X2.5% 13.8 85 400 180000 15.75 90 436 240000 18 105 520 300000 20 140 620 0.15 360000 15.75 160 700 370000 18 168 720 400000 20 180 770 420000 185 800
Above mentioned parameter are only for reference, ROCKWELL is able to design products according to specific requirements from end use『s.
P.01
1111�F ROCKWELL
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