v0.21.3

PowerModels v0.21.3

Diff since v0.21.2

Merged pull requests:

• Update Julia LTS Version in CI (#931) (@ccoffrin)
• Fix error in calc_connected_components if there are no active buses (#933) (@Robbybp)

Closed issues:

• PSSE Parser: incorrect impedance when NOMVX is 0.0 (#912)
• Performance of make_basic_network (#913)
• Something wrong with switch (#924)
• infeasibility of LPACCPowerModel for PEGASE 89 bus case (#925)
• Add Storage Variables in build_opf (#926)
• Unconstrained reference bus in optimal power flow (#927)
• The length of result['solution']['gen'] did not match the inputted pm_data['gen] (#929)

v0.21.2

PowerModels v0.21.2

Diff since v0.21.1

Merged pull requests:

• Fix docstring of DCPPowerModel (#911) (@odow)
• Improve performance of calc_connected_components (#914) (@mtanneau)
• Add in-place conversion to basic data format (#915) (@mtanneau)
• No deepcopy when renumbering components (#916) (@mtanneau)
• Update psse parser for 3winding transformers (#917) (@hei06j)
• Release v0.21.2 (#919) (@ccoffrin)
• CI Fix (#922) (@ccoffrin)

Closed issues:

• use of Pandapower network in PowerModels.jl (#909)
• Documentation: DCPPowerModel description text (#910)

v0.21.1

PowerModels v0.21.1

Diff since v0.21.0

Merged pull requests:

• Fix bug in calc_theta_delta_bounds (#908) (@ccoffrin)

Closed issues:

• Installation of PowerModels with Ipopt support fails on MUSL based systems (Alpine) due to Ipopt (#904)
• Problem Installing Panda Models (#905)
• How should solutions report square voltage variables for parallel lines (#906)
• Potential bug in on_off constraints for dcp.jl (#907)

v0.21.0

PowerModels v0.21.0

Diff since v0.20.1

Merged pull requests:

• Updates for JuMP's New NL Interface (#901) (@ccoffrin)

v0.20.1

PowerModels v0.20.1

Diff since v0.20.0

Merged pull requests:

• fix tests for ipopt jll update (#902) (@ccoffrin)

v0.20.0

PowerModels v0.20.0

Diff since v0.19.10

Merged pull requests:

• Breaking Updates for v0.20 Release (#900) (@ccoffrin)

Closed issues:

• Const Arrays in PTI Parsing (#537)
• current limits vs apparent power limits (#625)
• Cost Model Refactoring (#778)
• Consider Two Sided Constraints (#819)
• Generalize objective_variable_pg_cost (#829)
• Drop Multiconductor Support (#872)
• Drop Support for Run Functions (#878)

v0.19.10

PowerModels v0.19.10

Diff since v0.19.9

Merged pull requests:

• Test eigenvalues instead of det in am.jl (#865) (@odow)
• add test and fix to calc_theta_delta_bounds for multiconductor case (#871) (@ccoffrin)
• Add basic support for PST in DC OPF models (#875) (@ccoffrin)
• Add test for dcline pwl costs (#877) (@ccoffrin)
• Add test for JuMP Direct Mode (#879) (@ccoffrin)
• Remove superfluous use of branch_flows output parameter in tests (#882) (@ccoffrin)
• Set global _LOGGER in init (#885) (@odow)
• docs: Updated URLs of ACR and IVR sources (#889) (@tso-martin)
• Create doc-cleanup.yml (#895) (@odow)
• Updates for SCS v2.0 (#898) (@ccoffrin)

Closed issues:

• Refreshing Derived Values (#66)
• Computation of Power Transfer Distribution Factors for DC Models (#87)
• Duals for Nonlinear Formulations (#199)
• Test for PWL DC Line Costs (#274)
• JuMP Direct Mode (#275)
• Non-Convex PWL Cost Functions (#287)
• Extended Matpower Format - merging component data (#305)
• check_thermal_limits on multiconductor networks (#338)
• Solution Recovery Option (#341)
• Nodal Prices (#409)
• Transformer angle shift is not considered in DC OPF (#422)
• Issue with make_per_unit function on multi network data (#463)
• Preliminary implementation of a controllable phase shifter (#543)
• Reactive power costs & generator capability curves (#613)
• Tests on M1 and Other Platforms (#827)
• Getting a feasible result for OPF function but an infeasible result with PF function using the same data (#832)
• Unravelling the mystery of #861 (#862)
• SDP (#864)
• Data Parsing Support for CIM/CGMES (#866)
• Reproducing power flow results (#867)
• Piecewise-linear cost objective calculation (#868)
• Undefined variables in function calc_theta_delta_bounds (#870)
• Remove obsolete use of branch_flows setting (#881)
• Ask the question about SOCP model calculations in PowerModels (#883)
• Generator reactive power limits in PowerModels function compute_ac_pf!() (#884)

v0.19.9

PowerModels v0.19.9

Diff since v0.19.8

Closed issues:

• GenericPowerModel (#845)
• My own objective function (#846)
• Can't parse matpower file (#850)
• Voltage magnitude increases (#851)
• Trying to solve DC but PowerModels crash with a Quadratic function error (#852)
• Unable to set lower bound to -Inf. To remove the bound, use delete_lower_bound. (#853)

Merged pull requests:

• Fixed minor typos in export_pti() (#855) (@sergio-dorado)
• Fix Polynomial Cost Functions (#859) (@ccoffrin)
• Reduce tolerance for change in Julia v1.9 (#861) (@odow)

v0.19.8

PowerModels v0.19.8

Diff since v0.19.7

Merged pull requests:

• Improved network data model documentation (#848) (@ccoffrin)
• Faster PTDF matrix computation (#849) (@mtanneau)

v0.19.7

PowerModels v0.19.7

Diff since v0.19.6

Closed issues:

• OPF Documentation Clarification (#806)
• Multinetwork helper function (#823)
• component_table does not display if followed by statement (#828)
• "IOError: stream is closed or unusable" when using parse_file() in Pluto.jl (#830)
• SDP Solution Consistency (#833)
• Accessing dual values (#841)
• Solving non-convex AC OPF with Gurobi (#844)

Merged pull requests:

• Make SDP Solution Reporting Consistent (#834) (@ccoffrin)
• Objective Function Building Rewrite (#836) (@ccoffrin)
• Fix make_multinetwork (#837) (@ccoffrin)
• Update to use two sided constraints (#838) (@ccoffrin)
• Fix Tests on M1 (#839) (@ccoffrin)
• Fix Solution Test for Infeasible Models (#847) (@ccoffrin)