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@p-arvy p-arvy commented Jan 12, 2026

Please check if the PR fulfills these requirements

  • The commit message follows our guidelines
  • Tests for the changes have been added (for bug fixes / features)
  • Docs have been added / updated (for bug fixes / features)
  • A PR or issue has been opened in all impacted repositories (if any)

Does this PR already have an issue describing the problem?

No.

What kind of change does this PR introduce?

A solver that solves the Open Load Flow system of equations using Knitro has been added. It relaxes the power flow equations and also incorporates generator reactive power limits into the model.

What is the current behavior?

No such solver exists.

What is the new behavior (if this is a feature change)?
Such solver exists.

Does this PR introduce a breaking change or deprecate an API?

  • Yes
  • No

If yes, please check if the following requirements are fulfilled

  • The Breaking Change or Deprecated label has been added
  • The migration steps are described in the following section

What changes might users need to make in their application due to this PR? (migration steps)

Other information:

YoannAnezin and others added 30 commits January 12, 2026 14:09
…mits Constraints Model implemented with Knitro

Signed-off-by: Yoann Anezin <[email protected]>
…Constraints Model's, last commit before debugging

Signed-off-by: Yoann Anezin <[email protected]>

Signed-off-by: Yoann Anezin <[email protected]>
…Constraints Model's, and first tests

Signed-off-by: Yoann Anezin <[email protected]>

Signed-off-by: Yoann Anezin <[email protected]>
Signed-off-by: Yoann Anezin <[email protected]>

Signed-off-by: Yoann Anezin <[email protected]>
Signed-off-by: Yoann Anezin <[email protected]>

Signed-off-by: Yoann Anezin <[email protected]>
Signed-off-by: Yoann Anezin <[email protected]>

Signed-off-by: Yoann Anezin <[email protected]>
Signed-off-by: Yoann Anezin <[email protected]>

Signed-off-by: Yoann Anezin <[email protected]>
…Constraints Model's, and first tests

Signed-off-by: Yoann Anezin <[email protected]>
Signed-off-by: Yoann Anezin <[email protected]>
Signed-off-by: Yoann Anezin <[email protected]>
Signed-off-by: Yoann Anezin <[email protected]>

Signed-off-by: Yoann Anezin <[email protected]>
…ith Q limits settled' writter and pertubation tests

Signed-off-by: Yoann Anezin <[email protected]>

Signed-off-by: Yoann Anezin <[email protected]>
…ith Q limits settled' + maven correc

Signed-off-by: Yoann Anezin <[email protected]>
Signed-off-by: Yoann Anezin <[email protected]>

Signed-off-by: Yoann Anezin <[email protected]>
Signed-off-by: p-arvy <[email protected]>
Signed-off-by: p-arvy <[email protected]>
Signed-off-by: Yoann Anezin <[email protected]>

Signed-off-by: Yoann Anezin <[email protected]>
Signed-off-by: Yoann Anezin <[email protected]>

Signed-off-by: Yoann Anezin <[email protected]>
Signed-off-by: p-arvy <[email protected]>
p-arvy and others added 24 commits January 12, 2026 14:32
Signed-off-by: p-arvy <[email protected]>
Signed-off-by: p-arvy <[email protected]>
Signed-off-by: p-arvy <[email protected]>
Signed-off-by: p-arvy <[email protected]>
…de with reactive limits solver

Signed-off-by: Amine Makhen <[email protected]>
Signed-off-by: p-arvy <[email protected]>
Signed-off-by: p-arvy <[email protected]>
Signed-off-by: p-arvy <[email protected]>
Signed-off-by: p-arvy <[email protected]>
Signed-off-by: p-arvy <[email protected]>
Signed-off-by: p-arvy <[email protected]>
Signed-off-by: p-arvy <[email protected]>
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/**
* Optimization problem-solving the open load flow equation system by minimizing constraint violations through relaxation.
*/
public abstract class AbstractRelaxedKnitroProblem extends AbstractKnitroProblem {
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Why is this class defined here and not in its own file, as AbstractKnitroProblem is?

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5 participants