1. 03 Mar, 2021 1 commit
  2. 19 Nov, 2020 3 commits
  3. 18 Nov, 2020 1 commit
    • Niina Helistö's avatar
      Adding two new parameters under param_policy: reserve_activation_duration and... · 3941510c
      Niina Helistö authored
      Adding two new parameters under param_policy: reserve_activation_duration and reserve_reactivation_time. The parameters are now included in q_stateUpwardLimit, q_stateDownwardLimit and q_boundStateMaxDiff. Default value for both parameters is 1 (hour) and reserve_reactivation_time should be greater than or equal to reserve_activation_duration.
      
      Issue #129.
      3941510c
  4. 11 Nov, 2020 1 commit
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  10. 26 Jun, 2020 1 commit
    • Topi Rasku's avatar
      #127 UNTESTED: `p_storageValue` separated into constant and timeseries `ts_storageValue` versions. · 917fb953
      Topi Rasku authored
      `p_storageValue` is the constant form parameter, while `ts_storageValue` is the corresponding timeseries. `ts_storageValue_` is also added to handle time step aggregation and data circulation of `ts_storageValue` in the objective function. A new flag in `p_gn` called `storageValueUseTimeSeries` controls whether the constant `p_storageValue` or the timeseries `ts_storageValue` is used.
      
      WIP: I have no clue what the file `1e_scenmChanges.gms` is supposed to do, so no changes have been made there. However, since the input data is affected by these changes, I assume that this file will need to be changed as well for this fix to work properly.
      917fb953
  11. 22 Jun, 2020 1 commit
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  17. 31 Jan, 2020 1 commit
    • Niina Helistö's avatar
      Re-implementing dynamic generation portfolios (see issue #119). Unit... · b6030656
      Niina Helistö authored
      Re-implementing dynamic generation portfolios (see issue #119). Unit investment variables still have the 't' dimension, although it is kind of redundant. Units have technical lifetimes (given in ut set) but links are assumed to stay in the system forever after they have been built. Cost discounting and multi-year horizons are considered in the objective function but not in the results outputting yet.
      b6030656
  18. 20 Dec, 2019 1 commit
  19. 22 Nov, 2019 1 commit
    • Niina Helistö's avatar
      A fix related to issue #112: changed omCosts from p_unit to p_gnu and renamed... · 5e29f514
      Niina Helistö authored
      A fix related to issue #112: changed omCosts from p_unit to p_gnu and renamed to vomCosts. It is possible to give vomCosts also to input units, but in that case the user should select the sign carefully. The objective function includes a term:
      + sum(gnuft(grid, node, unit, f, t), + v_gen(grid, node, unit, s, f, t) * p_gnu(grid, node, unit, 'vomCosts'))
      which means that positive vomCosts result in decreasing objective function value when multiplied with negative v_gen. Positive vomCosts could be interpreted as an increase in consumer's utility. In this way, this fix may also be able to implement feature #76.
      5e29f514
  20. 24 Sep, 2019 1 commit
    • Niina Helistö's avatar
      Updating the two ROCOF constraints so that they apply to a group of nodes... · b89322d8
      Niina Helistö authored
      Updating the two ROCOF constraints so that they apply to a group of nodes instead of individual nodes.
      
      The transfer ROCOF constraint considers failures of interconnectors with one end inside the group and one end outside the group. 'DefaultFrequency' and 'ROCOF' are now p_groupPolicy parameters instead of p_gn parameters.
      b89322d8
  21. 05 Sep, 2019 1 commit
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  34. 12 Mar, 2019 1 commit