Stability Analysis for 9-Bus Power Systems

Simulation and analysis of a 9-bus system, including impedance modeling, stability analysis, and parameter tuning for academic research.

You are now following this Submission

Overview This project provides a complete simulation and analysis framework for power system stability, including model validation, impedance analysis, and parameter tuning.
Main Folders & Scripts
Model_validation:
Case_9_bus_system.slx: The main Simulink model. (Note: Run initial.m first for parameter initialization).
Yget.m: Impedance modeling script.
Validation_plot.m: Script for verifying model accuracy.
Analysis:
Case_analysis.m: Core system analysis.
Note: Parameters Ji and kidcr in this folder's Yget.m are specifically modified for analysis purposes.
Parameter_tuning_verification:
Step 1: Run Plot_measure.m to obtain simulation results.
Step 2: Run Comparison_plots.m to generate the comparison figures.
System Requirements
MATLAB Release: R2023b or later.
Note: Due to Simulink compatibility, the .slx files may not open in versions earlier than R2023b.
Disclaimer This project is for academic research and educational purposes only. The code is provided "as is" without warranty.

Cite As

Xunyi (2026). Stability Analysis for 9-Bus Power Systems (https://www.mathworks.com/matlabcentral/fileexchange/183207-stability-analysis-for-9-bus-power-systems), MATLAB Central File Exchange. Retrieved .

General Information

MATLAB Release Compatibility

  • Compatible with any release

Platform Compatibility

  • Windows
  • macOS
  • Linux
Version Published Release Notes Action
2.0.0

Added parameter table

1.0.0