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A 100 MVA, 220 kV/110 kV Δ−Δ,3−ϕ power transformer has a resistance of 0.02 per unit and a reactance of 0.05 per unit.The transformer supplies a load of 80 MVA at 0.8 pf lagging. The percentage voltage regulation of the transformer is __________%.3.7 |
Answer» A 100 MVA, 220 kV/110 kV Δ−Δ,3−ϕ power transformer has a resistance of 0.02 per unit and a reactance of 0.05 per unit.The transformer supplies a load of 80 MVA at 0.8 pf lagging. The percentage voltage regulation of the transformer is __________%.
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