v0.24.3

PowerNetworkMatrices v0.24.3

Diff since v0.24.2

Merged pull requests:

• Create admittance helpers (old: PSI PM interface) (#327) (@acostarelli)
• Match PSS(e) zero-impedance branch handling (per-branch, r == 0) (#329) (@luke-kiernan)
• perf(ZIBR): single-pass relabel-and-sum for pure bus merges (#330) (@luke-kiernan)
• test: use isapprox for sparsified VirtualPTDF row comparison (#331) (@luke-kiernan)
• avoid claude drift (#333) (@jd-lara)
• fix susceptance cancellation (#334) (@jd-lara)
• fix reduction ref bus bug (#336) (@jd-lara)
• Refactor arc admittance column merging (#338) (@m-bossart)

Closed issues:

• Zero impedance reduction handling (#322)
• MonitoredLine and network reductions (#328)

v0.24.2

PowerNetworkMatrices v0.24.2

Diff since v0.24.1

Merged pull requests:

• handle zibr monitored component (#326) (@jd-lara)

v0.24.1

PowerNetworkMatrices v0.24.1

Diff since v0.24.0

Merged pull requests:

• Fix docs build failure from unresolved SparsificationCutoff reference (#324) (@Copilot)
• Mb/modf irreducible patch (#325) (@m-bossart)

Closed issues:

• Implement numerical precision based tolerance (#318)

v0.24.0

PowerNetworkMatrices v0.24.0

Diff since v0.23.0

Breaking changes

• New interface for tolerance
• 3 WT Outages support

Closed issues:

• Fix the reduce reactive power injectors flag (#222)
• Support ThreeWindingTransformer outages in NetworkModification (#287)

v0.23.0

PowerNetworkMatrices v0.23.0

Diff since v0.22.1

Breaking changes

• Change the Interface for reduction exceptions

Merged pull requests:

• Units migration: adopt unitful PowerSystems getter API (#308) (@luke-kiernan)
• Extract shared VirtualFactorCore from virtual matrices (#313) (@jd-lara)
• Claude/bold volta h bbpi (#315) (@jd-lara)
• remove dynamic branch (#316) (@luke-kiernan)
• handle reverse parallel arc (#317) (@m-bossart)
• fix bug for 1 bus system (#320) (@m-bossart)

Closed issues:

• Experiment with using GraphBLAS (#238)

v0.22.1

PowerNetworkMatrices v0.22.1

Diff since v0.22.0

v0.22.0

PowerNetworkMatrices v0.22.0

Diff since v0.21.1

Breaking changes

• New API for bus exceptions
• new management for ZIL

Closed issues:

• Removing islands causes issue with radial reductions (#301)

v0.21.1

PowerNetworkMatrices v0.21.1

Diff since v0.21.0

Merged pull requests:

• make ptdf diag lazy (#304) (@jd-lara)

Closed issues:

• Error in populate_branch_maps_by_type due to mixed parallel branch types. (#294)

v0.21.0

PowerNetworkMatrices v0.21.0

Diff since v0.20.0

Breaking changes

• Add KLU native wrapper
• Change the implementation of MixedParallelBranches types

Closed issues:

• Conflict breaker-switch parsing (#300)

v0.20.0

PowerNetworkMatrices v0.20.0

Diff since v0.19.1

Breaking changes

• Added MODF and Partial PTDF upgrade calculations
• Bumped min Julia version

Merged pull requests:

• Reorganize documentation to follow diataxis format (#245) (@jd-lara)
• virtual modf (#270) (@jd-lara)
• Ward fixes (#277) (@m-bossart)
• modf validation (#279) (@jd-lara)
• add Ybus tracker for contingencies (#280) (@jd-lara)
• performance large systems (#281) (@jd-lara)
• ptdf line available (#282) (@jd-lara)
• Track system UUID in modification matrices and validate on use (#285) (@Copilot)
• unify network modifications (#286) (@jd-lara)
• modf islands (#288) (@jd-lara)
• Optimize radial reduction: iterative queue-based peeling replaces recursive DFS (#290) (@Copilot)
• Update documentation and docstrings to reflect arc-based indexing API (#291) (@Copilot)

Closed issues:

• Finalize user interface for reductions (#147)
• API, documentation, and tests for branch vs. arc indexing (#150)
• Validate reductions before applying (#163)
• Ward reduction test (#181)
• Handle get_equivalent_rating() for BranchesSeries made of BranchesParallel (#234)
• New reductions mapping for N-1 models (#235)
• Improve performance of radial reduction (#241)
• Use Preferences.jl to pick BLAS backend (#246)
• Create Delta Ybus object to track changes due to contingency. (#276)
• VirtualMODF PTDF rows for monitored branches with opposite BA and A orientation (#278)
• track system modification UUID (#284)