Electrical Engineering > GATE 2023 > Load Flow Analysis
The three-bus power system shown in the figure has one alternator connected to bus 2 which supplies 200 MW and 40 MVAr power. Bus 3 is an infinite bus having a voltage of magnitude |V3|=1.0 p.u. and an angle of -15°. A variable current source, |I|∠φ, is connected at bus 1 and controlled such that the magnitude of the bus 1 voltage is maintained at 1.05 p.u. and the phase angle of the source current, φ=θ1±π/2, where θ1 is the phase angle of the bus 1 voltage. The three buses can be categorized for load flow analysis as _______.
A
Bus 1: Slack bus,
Bus 2: PV bus,
Bus 3: PQ bus
B
Bus 1: PV bus,
Bus 2: PV bus,
Bus 3: Slack bus
C
Bus 1: PQ bus,
Bus 2: Slack bus,
Bus 3: PQ bus
D
Bus 1: PV bus,
Bus 2: PQ bus,
Bus 3: Slack bus

Correct : d

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load flow analysis three bus system power system analysis GATE Electrical Engineering 2023 PV bus PQ bus slack bus load flow power system electrical engineering gate bus classification power system analysis questions

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