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This MATLAB code performs a load flow analysis for the IEEE 118 bus system using the Newton-Raphson method. The Newton-Raphson method, known for its robustness and accuracy, iteratively solves the power flow equations to determine the voltage magnitude and angle at each bus. The IEEE 118 bus system, a standard benchmark in power system studies, provides a realistic and complex network to test and validate the algorithm. The code includes detailed data preparation for the bus admittance matrix, initialization of variables, iterative solution process, and convergence checking.The data used in this load flow is descriped in my Ph.D Thesis and is available in the appendix of my Ph.D Thesis
This collection contains MATLAB (.m) files that correspond to the problems and solutions presented in Prof. Hadi Saadat's renowned book, "Power System Analysis".
Cite As
Arunachalam Sundaram (2026). Load FLow Analysis For IEEE 118 Bus Sytem (https://se.mathworks.com/matlabcentral/fileexchange/170161-load-flow-analysis-for-ieee-118-bus-sytem), MATLAB Central File Exchange. Retrieved .
General Information
- Version 1.0.0 (8.34 KB)
MATLAB Release Compatibility
- Compatible with any release
Platform Compatibility
- Windows
- macOS
- Linux
| Version | Published | Release Notes | Action |
|---|---|---|---|
| 1.0.0 |
