v0.18.1

PowerModels v0.18.1

Diff since v0.18.0

Closed issues:

• SparseSDPWRMPowerModel doesn't support multinetwork without nw=0 (#769)
• Small typo in documentation, math model (#771)
• Are there Include Lagrange multipliers in results from OPF? (#772)
• post_opf not defined (#775)

Merged pull requests:

• Fixed data processing of PWL costs with identical points (#773) (@ccoffrin)
• Improve import all in psse parser (#774) (@ccoffrin)

v0.18.0

PowerModels v0.18.0

Diff since v0.17.4

Closed issues:

• Result Count Update (#646)
• Drop Support for JuMP v0.20 (#673)
• Jacobian Computation (#698)
• Flow Cuts Name (#713)
• Revised PWL Data Processing (#716)
• Obtaining incidence + PTDF matrix from network_data (#728)
• Conjugate in Admittance Matrix (#734)
• PowerFlow Result API (#739)
• Update Infrastructure Models Conventions (01/2021) (#757)
• Reference Bus Requirement in AdmittanceMatrix Data (#760)
• Improve multi-network support in data processing functions (#764)

Merged pull requests:

• UPD: Updates for new multi-infrastructure conventions (#745) (@tasseff)
• PowerModels v0.18.0 (#768) (@ccoffrin)

v0.17.4

PowerModels v0.17.4

Diff since v0.17.3

Closed issues:

• convert ramp rates to p.u. (#561)
• dual variable extraction broken for constraint_power_balance_ls (#741)
• pg_sqr Constraint in Conic Formulations (#743)
• Mosek error in solving opf with SDPWRMPowerModel (#744)
• IV model not initializing (#746)
• Getting INVALID_MODEL error while solving RMSE (#748)
• Power Models Distribution State Estimation package conflict (#751)
• Export PTI data (#752)
• Track solver progress (#759)

Merged pull requests:

• Fix duals for APO variant of constraint_power_balance_ls (#742) (@ccoffrin)
• add support for Matpower ramp rates in data unit transformations (#750) (@ccoffrin)
• Export to PTI (#753) (@jbarberia)
• Add support for relax_integrality in run methods (#755) (@ccoffrin)
• Basic-Data Idea (#756) (@ccoffrin)

v0.17.3

PowerModels v0.17.3

Diff since v0.17.2

Closed issues:

• How to use current_constraint_limits and define c_rating_a? Testing and Documentation enhancement? (#727)
• Loading matpower files (#731)
• Display or print model to LP file (#735)
• Adding constraints after instantiating IV-model (#736)
• Geographic location of buses (#740)

Merged pull requests:

• PSSE Parsing and Bus Type Checking Robustness (#738) (@ccoffrin)

v0.17.2

PowerModels v0.17.2

Diff since v0.17.1

Closed issues:

• PSSE import - transformer impedance scaling and winding voltage (#629)
• LPAC in TNEP (#708)
• Branch results (#720)
• Gen Power Variable Function Names (#725)
• Load Power Function Name (#726)
• Matpower parsing error - string "Inf" can not be parsed (#729)

Merged pull requests:

• PSSE transformer Zeq scaling, winding and nominal voltage import all fix (#722) (@KSepetanc)
• LPAC TNEP (#724) (@jay-dave)
• Matpower Parser Fixes (#732) (@ccoffrin)
• Update to use Generic Bounds On/Off Constraint (#733) (@ccoffrin)

v0.17.1

PowerModels v0.17.1

Diff since v0.17.0

Closed issues:

• Is multiconductor keyword argument still needed in instantiate_model? (#670)
• Storage Constraint (#704)
• User-built Constraints (#706)
• Add a flag to export only the matpower spec and not extra PowerModels data (#707)
• PWL Cost Data Management (#709)
• Problem with installation (#711)
• PSSE parser three winding transformer (#712)

Merged pull requests:

• Fix bugs relating to inactive buses in admittance matrix tools (#710) (@ccoffrin)
• Improve Robustness of Matpower Export (#714) (@ccoffrin)
• PSSE Transformer Status Support (#715) (@ccoffrin)
• Improved PWL Processing during Model Building (#717) (@ccoffrin)
• Improved OTS Tests (#718) (@ccoffrin)

v0.17.0

PowerModels v0.17.0

Diff since v0.16.0

Closed issues:

• Functions Names (#555)
• Active/Reactive Constraint Names (#656)
• Flow Names (#671)
• Modeling Layer Naming Convention (#701)

Merged pull requests:

• Fix reactive power control in storage systems (#699) (@frederikgeth)
• Rename Problem Modeling Functions (#700) (@ccoffrin)
• Updates for PowerModels v0.17 (#702) (@ccoffrin)

v0.16.0

PowerModels v0.16.0

Diff since v0.15.5

Closed issues:

• Dedicated AC Power Flow Solver (#590)
• Break propagate_topology_status! into seperate functions (#677)
• Updates to Propagate Topology Status (#502)
• Using an out-of-scope variable - ref extensions (#668)
• Unify Branch Flow Expressions (#684)

Merged pull requests:

• Updates for PowerModels v0.16 (#696) (@ccoffrin)

v0.15.5

PowerModels v0.15.5

Diff since v0.15.4

Closed issues:

• Best Output Behavior of Bus Phase Angles, when the model has no such variable (#6)
• Unit Tests for Matpower Parser Error Messages (#41)
• Documentation of Multi-Conductor (#281)
• Remove pg_sqr variables from conic formulations (#353)
• Robustness of constraint_thermal_limit with lowerbounds (#399)
• Review Solution Collection Time (#478)
• Solution builder fails on components with status=1 and their bus_status = 4 (#606)

Merged pull requests:

• Fixes for PWL Cost Functions in Matpower Tools (#687) (@ccoffrin)
• Remove Flow Variables from PF Definition (#688) (@ccoffrin)
• NLSolve AC Power Flow Solver (#689) (@ccoffrin)
• Minor Fix to the Mathematical Model Docs (#690) (@ccoffrin)
• Use Generic InfrastructureModels Tools (#691) (@ccoffrin)
• Update PWL Implementation to Extreme-Point Variant (#692) (@ccoffrin)
• Fix some docstrings (#693) (@raphaelsaavedra)
• Breaking Updates to Data Helper Functions (#694) (@ccoffrin)
• Improved Generator Assignment in AC-PF (#695) (@ccoffrin)

v0.15.4

PowerModels v0.15.4

Diff since v0.15.3

Closed issues:

• Update to Memento v0.13 (#679)
• Support generator impedance fields in PTI RAW33 parser (#685)

Merged pull requests:

• Updates for new InfrastructureModels Features (#686) (@ccoffrin)