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CHANGELOG.md

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PowerModels.jl Change Log

Staged

  • Fixed bug in QC-OTS formulation
  • Added lambda-based convex hull relaxation scheme for trilinear products
  • Added QCWRTri Power Flow formulation

v0.5.0

  • Standardized around branch name for pi-model lines (breaking)
  • Added checking for inconsistent orientation on parallel branches
  • Added support for multiple networks in the JuMP model (breaking)
  • Removed epsilon parameter from constraint_voltage_magnitude_setpoint (breaking)
  • Moved misc models to PowerModelsAnnex (breaking)
  • Removed unnecessary NL constraints from ACR and ACT formulations
  • Removed redundant quadratic constraint from DCPLL formulation
  • Added warning messages for inconsistent voltage set points
  • Fixed branch flow units transformation bug

v0.4.0

  • Added JuMP v0.18 compatibility
  • Added pm.var and made all JuMP variables anonymous (breaking)
  • Added support for SDP, ACR, and ACT Power Flow formulations
  • Added cost model zero filtering to matpower parser
  • Eliminated usage of pm.model.ext, for details see #149
  • Made solution default units per-unit (breaking)
  • Removed deprecated bus-less constraint_theta_ref function (breaking)
  • Renamed polar voltage variables v,t to vm,va (breaking)
  • Renamed functions with phase_angle to voltage_angle (breaking)
  • Renamed v_from and w_from variables to v_fr w_fr (breaking)
  • Removed variable and constraint function return values (breaking)
  • Made index_name an optional parameter in add_setpoint (breaking)
  • Moved check_cost_models into the objective building function
  • Fixed out of range bug in calc_theta_delta_bounds
  • Fixed bug in phase angle differences in AbstractACPForms
  • Fixed bugs in AbstractDCPLLForm and added OPF test

v0.3.4

  • Added support for Matpower data with dclines (thanks to @frederikgeth, @hakanergun)
  • Added support for QC-OTS
  • Added support for multiple reference buses
  • Added rectangular voltage formulation of AC-OPF
  • Added w-theta formulation of AC-OPF
  • Added data units checks to update_data
  • Made branch flow parameter names consistent with Matpower
  • Fixed bug in constants for w-space phase angle difference constraints
  • Fixed bug when no reference bus was specified
  • Fixed dcline parsing bug

v0.3.3

  • Added JuMP v0.17 compatibility
  • Reorganized documentation into Manual, Library, Developer, and Experimental Results

v0.3.2

  • Updated type declarations to Julia v0.6 syntax
  • Moved documentation to Documenter.jl (thanks to @yeesian)
  • Added basic OPF results to Documentation
  • Extended pm.ref include all fields from pm.data

v0.3.1

  • Added JuMP v0.16 and Julia v0.6 compatibility
  • Added missing function for AC-TNEP models
  • Added checks that tap ratios are non-zero
  • Made all power model forms abstract types, to support future extensions
  • Made matpower parser more robust to cases with line flow values
  • Fixed a bug that prevented parsing of bus_names when buses have non-contiguous ids
  • Fixed bounds correction units when angmin and angmax are 0.0

v0.3.0

  • Updated to JuMP v0.15 syntax
  • Replaced PowerModels set data types with "ref" dictionary
  • Refactored Matpower data processing to simplify editing network data after parsing
  • Unified network data and solution formats and made them valid JSON documents
  • Replaced JSON test files with Matpower test files
  • Added documentation on internal JSON data format to DATA.md
  • Updated TNEP models to work with Matpower parsing extensions
  • Strengthened convex formulations with Lifted Nonlinear Cuts (LNCs)
  • Added ability to easily inspect the JuMP model produced by PowerModels
  • Added constraint templates to provide an abstraction layer between the network data and network constraint definitions
  • Moved system wide phase angle difference bounds to the "ref" dictionary
  • Refactored model definitions to be based on complex numbers

v0.2.3

  • Multiple improvements to Matlab file parsing
    • Added support Matlab cell arrays
    • Added support for Matpower bus_names
    • Added ability for reading non-standard Matpower data elements
  • Added JuMP version v0.14 upper bound

v0.2.2

  • Added Transmission Network Expansion Planning (tnep) problem.

v0.2.1

  • Added support for julia v0.5.0 and OS X
  • Added line flows option for solution output
  • Added initial documentation and helper functions
  • Replaced Gurobi with Pajarito for MISOCP tests

v0.2.0

  • Complete re-write to type-based implementation using dynamic dispatch
  • Incorporated abstract problem specifications
  • Added type-based formulation abstractions

v0.1.0

  • Initial function-based implementation