1. Engineering
2. Electrical Engineering
3. Power Engineering
4. 32159

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Consider the electric power system shown {see attachment}. The power-flow solution of this system can be obtained without resorting to iterative techniques. The elements of the bus admittance matrix Ybus have been calculated as: {see attachment}.

Calculate the phase angle {see attachment} by using the real and reactive power equations at bus-3 (load bus).

See attached file for full problem description.