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Q1.A balanced 3-Phase Y-connected generator with positive sequence has an impedance of 0.2 + 0.5j ф and an intemal voltage of 120 V/d. The generator feeds a balanced 3- Phase Y-connected load having an impedance of 39 + 28j Ωφ. The impedance of the line connecting the generator to the load is 0.8 + 1Sj Ωφ. The a-phase internal voltage of the generator is specified as the reference phasor a) Construct the a-phase equivalent circuit of the system b) Calculate the three line currents: A, and c c) Calculate the 3 phase voltages at the load: VAN, VBN, and VeN d) Calculate the 3 line voltages at the terminals of the load: VAB. VBc, and Vca e) Calculate the 3 phase voltages at the terminals of the generator:Va Vba and V f) Calculate the 3 line voltages at the terminals of the generator: Vab, Vhe, and Vca bn cn
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