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A single-phase, 50-kVA, 2400:240-V, 60-Hz distribution transformer has the following parameters:
Resistance of the 2400-V winding R1 = 0.75
Resistance of the 240-V winding R2 = 0.0075
Leakage reactance of the 2400-V winding X1 = 1
Leakage reactance of the 240-V winding X2 = 0.01
Exciting admittance on the 240-V side = 0.003 - j0.02 S
Draw the equivalent circuits referred to the high-voltage side and to the low-voltage side. Label the impedances numerically.
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A 3-kVA, 220:110-V, 60-Hz, single-phase transformer yields these test data: • Open-circuit test: 200 V, 1.4 A, 50 W • Short-circuit test: 4.5 V, 13.64 A, 30 W Determine th
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