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First tests, disabling all reserve requirement constraints except q_resDemand. Adding some new parameters and sets (df_reservesGroup, restypeDirectionGroup, restypeDirectionGridNodeGroup) and changing the dimensions of some other parameters, sets and variables.

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.

ran li authored Sep 03, 2019 and ran li committed Sep 03, 2019

Now the ReserveShareMax could control its reserve type and direction with the newly introduced p_nReserves3D which should also be reflected as a new sheet in the excel file.

ran li authored Sep 02, 2019 and ran li committed Sep 02, 2019

Merge branch 'LossOfLargestInterconnector' of https://gitlab.vtt.fi/backbone/backbone into LossOfLargestInterconnector

# Conflicts:
#	inc/2d_constraints.gms

Added a conditional to the equation and added the portion_of_transfer_to_reserve also to reserve transfers.

Modified version of the interconnector N-1 reserve requirement. Only upward need considered. Not tested at all.

ran li authored Aug 27, 2019 and ran li committed Aug 27, 2019

The reserve for largest interconnector(transmission line) is included, with separate equations for up and down reserve

A fix to issue #86: Adding gnuft condition as well as removing unit_investLP and unit_investMIP conditions and p_unit(unit, 'unitCount') from q_inertiaMin. Using p_unit(unit, 'unitCount') causes division by zero problems for units with investment variables and without online variables.

Adding gnuft condition to five other equations as well: q_instantaneousShareMax, q_capacityMargin, q_energyShareMax, q_energyShareMin and q_minCons. Using unit aggregation and these equations without the gnuft condition might have caused problems.

Fixing ramp constraints so that they work when integer investment variables are used together with continuous online variables (issue #88).

ran li authored Jul 10, 2019 and ran li committed Jul 10, 2019

Ciara's codes:minCons constraint allows to set the min load for PHS while still allowing foll reserve

Updates related to issue #85: ignoring 'empty' units and changing the condition when to expand effLevelGroupUnit

*effLevelGroup* is now expanded so that subsequent *effLevels* are repeated from the previous *effLevel* if definition is missing. Execution is aborted if *level1* information is missing for any unit.

#82: All hard-coded *elec* grids have been removed and replaced by looping/summing over *gn* instead. This fix should work as long as no *node* belongs to multiple *grids*, which I think is already ill-advised (or even forbidden?).