1-) Consider the 3-bus power system shown, where the values marked are impedances in per-unit. (a) Construct the bus impedance matrix Zbus of the system using the Zbus modification methods. (b) Given the generator internal voltages E₁ = E2=1.36+j 0.69 pu determine the bus voltages V1, V2 and V3. j0.5 j0.4 G1 3 j0.8 j1.25 j0.25 www 2 j0.6 G2

1-) Consider the 3-bus power system shown, where the values marked are impedances in per-unit. (a) Construct the bus impedance matrix Zbus of the system using the Zbus modification methods. (b) Given the generator internal voltages E₁ = E2=1.36+j 0.69 pu determine the bus voltages V1, V2 and V3. j0.5 j0.4 G1 3 j0.8 j1.25 j0.25 www 2 j0.6 G2

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

Chapter8: Symmetrical Components

Section: Chapter Questions

Problem 8.7MCQ

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Power system protection
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Solve numerical : Following figure shows the one-line diagram of a two bus system. Take bus 1 as slack bus, bus 2 as load (PQ) bus. Neglect the shunt charging admittance. Obtain the bus admittance matrixYBUS and find V2 and δ2, power flows and line losses by using Fast decoupled power flow method. All the values are given in per unit on 100MVA base. Use a tolerance of 0.001 for power mismatch.
Show me how is solution will be if fualt happened before transformers or in one of generator