5.2 Balanced Three-phase Fault Example 5.1 Determine the fault current, the bus voltages, and currents during the fault when a balanced three-phase fault with a fault impedance Zf = j0.16 per unit occurs on: the line j0.1 j0.2 j0.1 j0.2 j0.8 a) Bus 3 [-j2.0 pu, -j0.1 pu, -j1.1 pu, - jo.9 pu], b) Bus 2 [-j2.5 pu, -j0.5 pu, -j0.5 pu, - jo.5 pu], c) Bus 1 [j3.125 pu, j3.125 pu, -j3.125 pu, -j3.125 pu]. j0.4 j0.4 Figure 1

5.2 Balanced Three-phase Fault Example 5.1 Determine the fault current, the bus voltages, and currents during the fault when a balanced three-phase fault with a fault impedance Zf = j0.16 per unit occurs on: the line j0.1 j0.2 j0.1 j0.2 j0.8 a) Bus 3 [-j2.0 pu, -j0.1 pu, -j1.1 pu, - jo.9 pu], b) Bus 2 [-j2.5 pu, -j0.5 pu, -j0.5 pu, - jo.5 pu], c) Bus 1 [j3.125 pu, j3.125 pu, -j3.125 pu, -j3.125 pu]. j0.4 j0.4 Figure 1

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter9: Unsymmetrical Faults

Section: Chapter Questions

Problem 9.35P

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