Gauss Seidal Method Solved Problem -2 | GS Method | Power flow Analysis | Power System Analysis

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Single line diagram of a simple power system, with generator at buses 1 and 3 is shown in Fig. The magnitude of voltage at bus 1 is 1.05 p.u. Voltage magnitude at bus 3 is fixed at 1.04 p.u. with active power generation of 200 MW. A load consisting of 400 MW and 250 MVAR is taken from bus 2, Line impedances are marked in p.u. on a 100 MVA base and the line charging susceptances are neglected. Determine the voltage at buses 2 and 3 using Gauss-Seidal method at the end of first iteration. Also calculate Slack bus power.