Problem 7. Three-phase Balanced Fault Analysis. For the two-generator system below, a three-phase short occurs at point A. Ignoring prefault currents and assuming a prefault bus voltage of 1.0 p.u.,...

Problem 7. Three-phase Balanced Fault Analysis.<br>For the two-generator system below, a three-phase short occurs at point A. Ignoring prefault<br>currents and assuming a prefault bus voltage of 1.0 p.u., determine the fault current, in kA,<br>contributed from generator G1.<br>Assume base values of 50 MVA and 50 kV on transmission line side.<br>25 kV<br>50 MVA, 2.5%<br>50 MVA, 20%<br>G<br>1:2<br>A<br>G.<br>25 kV<br>Z = 2+ j20<br>AY<br>Z,<br>75 MVA, 15%<br>Z, = 0.4%<br>Figure 1<br>

Extracted text: Problem 7. Three-phase Balanced Fault Analysis. For the two-generator system below, a three-phase short occurs at point A. Ignoring prefault currents and assuming a prefault bus voltage of 1.0 p.u., determine the fault current, in kA, contributed from generator G1. Assume base values of 50 MVA and 50 kV on transmission line side. 25 kV 50 MVA, 2.5% 50 MVA, 20% G 1:2 A G. 25 kV Z = 2+ j20 AY Z, 75 MVA, 15% Z, = 0.4% Figure 1

Jun 10, 2022

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Problem 7. Three-phase Balanced Fault Analysis. For the two-generator system below, a three-phase short occurs at point A. Ignoring prefault currents and assuming a prefault bus voltage of 1.0 p.u.,...

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