Physics · Power Systems
In a three-bus power system, Bus 1 has a variable current source controlled to maintain a constant voltage magnitude |V1| = 1.05 p.u. with the source current phase angle dependent on the bus voltage angle. Bus 2 is connected to a generator supplying fixed active and reactive power (200 MW and 40 MVAr). Bus 3 is connected to an infinite bus with a fixed voltage magnitude |V3| = 1.0 p.u. and a fixed angle of -15°. How are these three buses categorized for load flow analysis?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Bus 1: P-|I| Bus; Bus 2: P-Q Bus; Bus 3: Slack Bus✓
- 2Bus 1: P-Q Bus; Bus 2: P-Q Bus; Bus 3: Slack Bus
- 3Bus 1: P-|I| Bus; Bus 2: P-|I| Bus; Bus 3: Slack Bus
- 4Bus 1: Slack Bus; Bus 2: P-V Bus; Bus 3: P-Q Bus
Correct answer
Bus 1: P-|I| Bus; Bus 2: P-Q Bus; Bus 3: Slack Bus
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