The power system network is shown in Figure 3. The magnitude of voltage at bus 1 is adjusted to 12 0° per unit, buses 2 and 3 are the load buses. Line impedances are marked in per-unit on 100 MVA base and the charging susceptances are neglected. Determine the bus voltage at load 2 and 3 using the Gauss-Scidel iteration method (accurate to four decimal places). Perform calculation for two iterations.

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Author:Robert L. Boylestad
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QUESTION 3
The power system network is shown in Figure 3. The magnitude of voltage at bus 1 is
adjusted to 12 0° per unit, buses 2 and 3 are the load buses. Line impedances are marked
in per-unit on 100 MVA base and the charging susceptances are neglected. Determine the
bus voltage at load 2 and 3 using the Gauss-Seidel iteration method (accurate to four
decimal places). Perform calculation for two iterations.
jo.033
P= 400 Mw
HQu= 320 MVar
Vi = 120°
Figure 3
10.05
+P= 300 MW
70.0125
+QF 270 MVar
Transcribed Image Text:QUESTION 3 The power system network is shown in Figure 3. The magnitude of voltage at bus 1 is adjusted to 12 0° per unit, buses 2 and 3 are the load buses. Line impedances are marked in per-unit on 100 MVA base and the charging susceptances are neglected. Determine the bus voltage at load 2 and 3 using the Gauss-Seidel iteration method (accurate to four decimal places). Perform calculation for two iterations. jo.033 P= 400 Mw HQu= 320 MVar Vi = 120° Figure 3 10.05 +P= 300 MW 70.0125 +QF 270 MVar
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