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[WIP] DC hot start#1360

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[WIP] DC hot start#1360
gautierbureau wants to merge 1 commit intomainfrom
dc_hot_start

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@gautierbureau
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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)
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  • A PR or issue has been opened in all impacted repositories (if any)

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@gautierbureau gautierbureau added the enhancement New feature or request label Feb 27, 2026
@gautierbureau gautierbureau marked this pull request as draft February 27, 2026 15:28
@gautierbureau gautierbureau changed the title DC hot start [WIP] DC hot start Feb 27, 2026
@gautierbureau gautierbureau force-pushed the dc_hot_start branch 2 times, most recently from ae235c9 to ec3512b Compare February 27, 2026 16:02
@gautierbureau
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Related to this subject I have two interrogations:

  • How could admittance values could be accessible from outside to use them in an optimization problem
  • If the loss are designed that way they also need to be accessible from outside to add them to the optimization problem

@SylvestreSakti
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Hello @gautierbureau , thank you, I'll have some time to review it after the march release. I may have some ideas in order not to modify too much the current architecture of LfBus (maybe by creating a new class extending AbstactLfInjection to model these loss injections), and also maybe a new kind of DcEquationTerm can be created for that.

For the wanted outputs (admittance and losses), can't it be easyly computed from the result of such a load flow ? Or are there performance constraints that make you need that directly ? (Maybe I am wrong since I did not take time to read it accurately)

Signed-off-by: Gautier Bureau <gautier.bureau@rte-france.com>
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