ANL-CEEESA/UnitCommitment.jl
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stochastic extension w/ scenarios

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oyurdakul
2023-02-08 23:46:10 -06:00
parent 8fc84412eb
commit c95b01dadf
27 changed files with 566 additions and 386 deletions
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15
src/model/formulations/CarArr2006/pwlcosts.jl
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@@ -8,6 +8,7 @@ function _add_production_piecewise_linear_eqs!(
formulation_prod_vars::Gar1962.ProdVars,
formulation_pwl_costs::CarArr2006.PwlCosts,
formulation_status_vars::StatusVarsFormulation,
sc::UnitCommitmentScenario
)::Nothing
eq_prod_above_def = _init(model, :eq_prod_above_def)
eq_segprod_limit = _init(model, :eq_segprod_limit)
@@ -26,28 +27,28 @@ function _add_production_piecewise_linear_eqs!(
# difference between max power for segments k and k-1 so the
# value of cost_segments[k].mw[t] is the max production *for
# that segment*
eq_segprod_limit[gn, t, k] = @constraint(
eq_segprod_limit[sc.name, gn, t, k] = @constraint(
model,
segprod[gn, t, k] <= g.cost_segments[k].mw[t]
segprod[sc.name, gn, t, k] <= g.cost_segments[k].mw[t]
)
# Also add this as an explicit upper bound on segprod to make the
# solver's work a bit easier
set_upper_bound(segprod[gn, t, k], g.cost_segments[k].mw[t])
set_upper_bound(segprod[sc.name, gn, t, k], g.cost_segments[k].mw[t])
# Definition of production
# Equation (43) in Kneuven et al. (2020)
eq_prod_above_def[gn, t] = @constraint(
eq_prod_above_def[sc.name, gn, t] = @constraint(
model,
prod_above[gn, t] == sum(segprod[gn, t, k] for k in 1:K)
prod_above[sc.name, gn, t] == sum(segprod[sc.name, gn, t, k] for k in 1:K)
)
# Objective function
# Equation (44) in Kneuven et al. (2020)
add_to_expression!(
model[:obj],
segprod[gn, t, k],
g.cost_segments[k].cost[t],
segprod[sc.name, gn, t, k],
sc.probability * g.cost_segments[k].cost[t],
)
end
end