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PowerSAS.m - A power grid analysis toolbox based on semi-analytical solutions (SAS) for Matlab/GNU Octave
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Rui Yao 985517593c
First release of PowerSAS.m 		4 years ago
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README.md

PowerSAS.m

PowerSAS.m is a robust, efficient and scalable power grid analysis framework based on semi-analytical solutions (SAS) technology. The PowerSAS.m is the version for MATLAB/Octave users. It currently provides the following functionalities (more coming soon!):

  • Steady-state analysis, including power flow (PF), continuation power flow (CPF), contingency analysis.
  • Dynamic security analysis, including voltage stability analysis, transient stability analysis, and flexible user-defined simulation.
  • Hybrid extended-term simulation provides adaptive QSS-dynamic hybrid simulation in extended term with high accuracy and efficiency.

Key features

  • High numerical robustness. Backed by the SAS approach, the PowerSAS tool provides much better convergence than the tools using traditional Newton-type algebraic equation solvers when solving algebraic equations (AE)/ordinary differential equations (ODE)/differential-algebraic equations(DAE).
  • Enhanced computational performance. Due to the analytical nature, PowerSAS provides model-adaptive high-accuracy approximation, which brings significantly extended effective range and much larger steps for steady-state/dynamic analysis. PowerSAS has been used to solve large-scale system cases with 200,000+ buses.
  • Customizable and extensible. PowerSAS supports flexible customization of grid analysis scenarios, including complex event sequences in extended simulation term.