ESA

• Fix bug in get_lodf_matrix that causes mismatched column names and column values
• Add new parameter ignore_new_branch to get_lodf_matrix to ensure the returned matrix is square
• Fix bug associated with filename format in DetermineBranchesThatCreateIslands
• Fix bug associated with filename format in DetermineShortestPath
• Fix bug in test of ListOfDevices associated with dataframe index data type
• Fix bug in test of clean_df_or_series associated with dataframe index data type

*Add DetermineBranchesThatCreateIslands
*Add DeterminePathDistance
*Add DetermineShortestPath
*Add RunScriptCommand2
*Add ProgramInformation property

• Fix the get_shift_factor_matrix function when the system is large

• Fix the fast sensitivity analysis methods (ISF, PTDF, LODF) to match PW results

• Bug fix

• Improve the get_lodf_matrix function to support DCPS (DC with phase shifter) and MLCDF
• Add a new example for the built-in contingency analysis
• Fix typos and bugs

• Fix the scipy sparse linalg import issue
• Add the function to quickly identify the N-2 islanding contingencies
• Add the functions for robustness and ecological analysis
• Preliminary support for Streamlit (getting close to thread-safe)
• Add the support for Python 3.10

• Native support of sensitivity analysis (ISF, PTDF, and LODF) for much better performance and much less memory usage

• Officially support PW23
• Support obtaining LODF matrix from large case (>1000 branches)
• Fix the self-loop issue when generating inter-substation level graph model

• Add a method to convert dataframe into auxiliary (aux/axd) data section
• Add methods to obtain branch admittance and shunt admittance matrix

• Supports changing system parameters based on temperature
• Add one new example for fast contingency analysis (a slightly improved implementation of Fast and Reliable Screening of N-2 Contingencies. The original idea is proposed by Dr. P. A. Kaplunovich and Dr. Konstantin Turitsyn from MIT)

• Supports latest PW V22 (2021 Nov and Dec builds) and V23

• Fix the AOT import error (downgrade to JIT when necessary for compatibility)

*Bug(https://github.com/mzy2240/ESA/issues/72) fix

The fastest open-source N-1 and N-2 contingency analysis is now released!

• IEEE 300 bus case, ~2 seconds (N-1 & N-2)
• Synthetic 2000 bus case, ~15 seconds (N-1 & N-2)
• Supports cross-validation with PW own CA results