The figure below shows the one-line diagram of a four-bus power system. The voltages, the scheduled realpower and reactive powers, and the reactances oftransmission lines are marked at this one line diagram(The voltages and reactances are in PU referred to 100MW base. The active power P2 in MW is the last threedigits (from right) of your registration number (i.e forthe student that has a registration number 202112396,P2 =396). [10]Starting from an estimated voltage at bus 2, bus 3, andbus 4 equals V2(0)= 1.15<0°, V3= 1.15 < 0°, V41.1< 0°.1- Specify the type of each bus and known &unknown quantities at each bus.2- Find the elements of the second row of theadmittance matrix (i.e. [Y21 Y22 Y23 Y24]).3- Using Gauss-Siedal fınd the voltage at bus 2 after thefirst iteration.4- Using Newton-Raphson, calculate:|- The value of real power (P2), at bus 2 after the firstiteration.Il- The second element in the first row of the Jacobianmatrix after the first iteration.2P2 = PPP MWj0.5Q2 = 150 MVARXs = j0.1j0.25j0.25V1=1.01 <0°j0.53P4 = 250 MWP3 = 150 MWj0.5Xs = j0.1Q3 = 100 MVAR|V4| =1.1

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The figure below shows the one-line diagram of a four- bus power system. The voltages, the scheduled real power and reactive powers, and the reactances of transmission lines are marked at this one line diagram (The voltages and reactances are in PU referred to 100 MW base. The active power P2 in MW is the last three digits (from right) of your registration number (i.e for the student that has a registration number 202112396, P2 =396). [10] Starting from an estimated voltage at bus 2, bus 3, and bus 4 equals V2 = 1.15<0°, V3= 1.15 < 0°, V4 (0) 1.1< 0°. 1- Specify the type of each bus and known & unknown quantities at each bus. 2- Find the elements of the second row of the admittance matrix (i.e. [Y21 Y22 Y23 Y24]). 3- Using Gauss-Siedal find the voltage at bus 2 after the first iteration.

The figure below shows the one-line diagram of a four- bus power system. The voltages, the scheduled real power and reactive powers, and the reactances of transmission lines are marked at this one line diagram (The voltages and reactances are in PU referred to 100 MW base. The active power P2 in MW is the last three digits (from right) of your registration number (i.e for the student that has a registration number 202112396, P2 =396). [10] Starting from an estimated voltage at bus 2, bus 3, and bus 4 equals V2 = 1.15<0°, V3= 1.15 < 0°, V4 (0) 1.1< 0°. 1- Specify the type of each bus and known & unknown quantities at each bus. 2- Find the elements of the second row of the admittance matrix (i.e. [Y21 Y22 Y23 Y24]). 3- Using Gauss-Siedal find the voltage at bus 2 after the first iteration.

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 9.13P: Consider the oneline diagram of a simple power system shown in Figure 9.20. System data in per-unit...

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