7. Figure 3 shows a 3 bus power system with all the reactances given in per unit and the generator is represented by a v

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7 Figure 3 Shows A 3 Bus Power System With All The Reactances Given In Per Unit And The Generator Is Represented By A V 1 (29.35 KiB) Viewed 28 times

7. Figure 3 shows a 3 bus power system with all the reactances given in per unit and the generator is represented by a voltage source and a transient reactance. The base MVA is 100 MVA. A three phase fault with a fault impedance Z-j0.16 per unit occurs at bus 3 in the system. Assuming that the prefault bus voltages are 1.0 per unit and using the bus impedance matrix method, compute the fault current and the bus voltages during the fault. (6 marks) 1 YE j0.1 j0.1 j0.2 10.8 10.2 j0.4 0.4 Figure 3.