amplpower 0.0.43
AMPL package for power systems
License: MIT
Requires Python: >=3.9

========
Overview
========



AMPL package for power systems

* Free software: MIT license

Installation
============

::

    pip install amplpower

You can also install the in-development version with::

    pip install https://github.com/salvapineda/amplpower/archive/main.zip


Documentation
=============


https://amplpower.readthedocs.io/


Development
===========

To run all the tests run::

    tox

Note, to combine the coverage data from all the tox environments run:

.. list-table::
    :widths: 10 90
    :stub-columns: 1

    - - Windows
      - ::

            set PYTEST_ADDOPTS=--cov-append
            tox

    - - Other
      - ::

            PYTEST_ADDOPTS=--cov-append tox

Changelog
=========

0.0.43 (2026-01-29)
-------------------
* Incorporate cartesian variables to Jabr mode

0.0.42 (2025-09-19)
-------------------
* Get Vr and Vi in buses results

0.0.41 (2025-07-10)
-------------------
* Slack bus in bustype 3

0.0.40 (2025-07-10)
-------------------
* Fix bug in initialization and is_feasible with shunt elements

0.0.39 (2025-07-08)
-------------------
* Add is_feasible method to check feasibility of a given solution

0.0.38 (2025-06-06)
-------------------

* Fix compute ptdf and lodf methods

0.0.37 (2025-06-06)
-------------------

* Add compute ptdf and lodf methods

0.0.36 (2025-06-05)
-------------------

* Modify BigM default calculation for DC OTS

0.0.34 (2025-06-03)
-------------------

* Add times to results

0.0.33 (2025-06-03)
-------------------

* Modification of set_switching function

0.0.32 (2025-06-03)
-------------------

* Modify presolve_eps option to 1e-10

0.0.31 (2025-06-03)
-------------------

* Remove minus infinity from variables in AMPL model

0.0.30 (2025-06-03)
-------------------

* Floor and ceil function for initial BigM values in OTS

0.0.29 (2025-06-02)
-------------------

* Bug with bound for power flows in OTS problem

0.0.28 (2025-05-22)
-------------------

* Upper and lower bound for power flows

0.0.27 (2025-05-20)
-------------------

* Remove cost definition from the model due to bad scaling in constraints

0.0.26 (2025-05-19)
-------------------

* Bug with try except in results

0.0.25 (2025-05-07)
-------------------

* Split solve_opf function
* Add upper bound to total generation cost
* Split creat model and solve model for clarity
* Change result output
* The AMPL model is now stored in self.ampl and can be modified by user
* Add best bound to results if available

0.0.24 (2025-05-05)
-------------------

* No default options for solver

0.0.23 (2025-04-24)
-------------------

* Fix initialize generation leven when multiple units at the same bus

0.0.22 (2025-04-24)
-------------------

* Fix division by zero in generator violation calculation
* Chage options input to the solver

0.0.20 (2025-04-11)
-------------------

* Add maximum violation of AC constraints to results.

0.0.19 (2025-04-09)
-------------------

* Bug bus mapping

0.0.18 (2025-04-08)
-------------------

* BigM for AC OTS are computed exploring all critical points
* Compute bounds for real and imaginary parts of voltage

0.0.17 (2025-04-04)
-------------------

* Bug relatex to BR_X negative in some networks.

0.0.16 (2025-04-04)
-------------------

* Modification of default Bigm values for AC OTS.

0.0.15 (2025-04-04)
-------------------

* Bus mapping for some pglib networks
* Compute Bigm for AC OTS only if needed

0.0.14 (2025-04-04)
-------------------

* Bug in solver status

0.0.13 (2025-04-04)
-------------------

* Bug options solver

0.0.12 (2025-04-04)
-------------------

* Modify option solver input

0.0.11 (2025-04-01)
-------------------

* Return results for any status

0.0.10 (2025-04-01)
-------------------

* Add formulations of OPF to docs

0.0.9 (2025-03-26)
------------------

* Tightest computation of bigMs for AC OTS.
* Tightest bounds for variables cosft and sinft.
* Add violations of AC constraints to results.
* Test use open-source solvers.

0.0.8 (2025-03-25)
------------------

* Corrected voltage results for AC jabr relaxation (acjabr).

0.0.7 (2025-03-25)
------------------

* Included default COST2 for generators (gencos) if not provided.
* Corrected voltage results for AC rectangular (acrect).

0.0.6 (2025-03-21)
------------------

* Added support for solving optimal power flow (OPF) problems: DC OPF, AC OPF (both rectangular and polar coordinates) and AC relaxation proposed by Jabr.
* Added functionality for solving the optimal transmission switching (OTS) problem: Big-M and non-linear formulations. Option to include or exclude connectivity constraints for the OTS problem

0.0.0 (2025-03-14)
------------------

* First release on PyPI.