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Rework LV grid dimensioning and reinforcement #360

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nesnoj opened this issue Dec 3, 2021 · 2 comments
Open
4 tasks

Rework LV grid dimensioning and reinforcement #360

nesnoj opened this issue Dec 3, 2021 · 2 comments
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@nesnoj
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nesnoj commented Dec 3, 2021

@birgits, @AnyaHe and I identified some issues that need to be changed in the dimensioning and reinforcement of LV grids:

  • Use the same cable for entire LV grid
    • Currently, branches are reinforced individually.
    • According to DSO information and the Kerber grids, all cables in a LV grid are of the same type. So for the initial dimensioning (prior to power flow) and reinforcement (after pf) all cable assets should be the smallest possible.
  • Introduce a safety factor (in the cfg) and use for the step above
  • Use same transformer types in one station during reinforcement
  • Allow for parallel cables in LV reinforcement

Note: Current reinforcement strategy for LV by @IsGut here: https://github.com/openego/ding0/blob/origin/feature%2Fsynthetic_lv_grids/ding0/grid/lv_grid/build_grid_on_osm_ways.py

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nesnoj commented Feb 22, 2022

Related: #366

@mltja mltja added this to the LV grids milestone Mar 3, 2023
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nesnoj commented Sep 6, 2023

Update: currently simple method by using number of loads for LV cable dimensioning

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