Power System Steady-State Analysis
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Questions and Answers

What is the main objective of a power-flow study?

  • Determining the voltage and current at each bus in the system (correct)
  • Finding the optimal power generation schedule for the system
  • Analyzing transient stability during sudden load changes
  • Minimizing losses in the transmission lines

What is the first step in finding the power-flow solution via iteration?

  • Make an initial estimate for the power generation at each bus
  • Create a bus admittance matrix Ybus for the power system (correct)
  • Update the voltage estimate for each bus based on load flow equations
  • Analyze the transient response of the system to sudden disturbances

What does the power-flow study aim to determine at each bus in the system?

  • Load shedding strategies
  • Bus voltage magnitude and phase angles (correct)
  • Optimal real and reactive power injections
  • Transmission line impedances

Why is an iterative process used to find the power-flow solution?

<p>To update the voltage estimate for each bus based on load flow equations (D)</p> Signup and view all the answers

What is the purpose of making an initial estimate for the voltages at each bus in the system?

<p>To initiate the iterative process for finding power-flow solution (C)</p> Signup and view all the answers

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