Draw the impedance diagram in per-unit system

Assignment Help Electrical Engineering

Reference no: EM1381029

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A. Generator voltages: E_G_I = 16.5∠0° kV, EG2 = 15.75∠-8° kV

Load 1: 190 + j 80 Ω/phase

Load 2: 110 + j 40 Ω/phase

1. Find the resistance (R), inductance (L), and capacitance (C) of each transmission line.

2. Draw the per-phase impedance diagram of the power system

3. Find the bus admittance [3 x 3] matrix and node current matrix in per-unit

4. Calculate the voltage at each bus in per-unit and in kV.

5. Calculate the power transfers from buses 2 to 4, 2 to 5, and 4 to 5.

6. Calculate the active power losses in each transmission line.

Use Matlab to calculate the voltage and power flow

B. Generators:

Generator-1: Swing generator.

Voltage at Generator-1: E_GI = 16.5∠0° kV Generator-2:

Active Power Generated (P) = 200 MW Reactive Power Generated (0) = 90 MVAR Loads:

Load-1 :140 + j30 MVA

Load-2: 160 + j40 MVA

1. Draw the impedance diagram in per-unit system

2. Find the bus admittance [5 x 5] matrix in per-unit

3. Calculate the voltage at each bus in per-unit and in kV.

4. Calculate the power transfers from buses 2 to 4. 2 to 5. and 4 to 5.

5. Calculate the active power losses in each transmission line.

Use Gauss-Seidel iteration to calculate the voltage and power flow.

6. Use PowerWorld Simulator to model the power system. run Gauss-Seidel power flow and compare the results with your computations in 3 and 4.

Reference no: EM1381029

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