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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19
src/model/formulations/DamKucRajAta2016/ramp.jl
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@@ -8,6 +8,7 @@ function _add_ramp_eqs!(
formulation_prod_vars::Gar1962.ProdVars,
formulation_ramping::DamKucRajAta2016.Ramping,
formulation_status_vars::Gar1962.StatusVars,
sc::UnitCommitmentScenario
)::Nothing
# TODO: Move upper case constants to model[:instance]
RESERVES_WHEN_START_UP = true
@@ -23,7 +24,7 @@ function _add_ramp_eqs!(
gn = g.name
eq_str_ramp_down = _init(model, :eq_str_ramp_down)
eq_str_ramp_up = _init(model, :eq_str_ramp_up)
reserve = _total_reserves(model, g)
reserve = _total_reserves(model, g, sc)
# Gar1962.ProdVars
prod_above = model[:prod_above]
@@ -48,15 +49,15 @@ function _add_ramp_eqs!(
# end
max_prod_this_period =
prod_above[gn, t] +
prod_above[sc.name, gn, t] +
(RESERVES_WHEN_START_UP || RESERVES_WHEN_RAMP_UP ? reserve[t] : 0.0)
min_prod_last_period = 0.0
if t > 1 && time_invariant
min_prod_last_period = prod_above[gn, t-1]
min_prod_last_period = prod_above[sc.name, gn, t-1]
# Equation (35) in Kneuven et al. (2020)
# Sparser version of (24)
eq_str_ramp_up[gn, t] = @constraint(
eq_str_ramp_up[sc.name, gn, t] = @constraint(
model,
max_prod_this_period - min_prod_last_period <=
(SU - g.min_power[t] - RU) * switch_on[gn, t] +
@@ -65,7 +66,7 @@ function _add_ramp_eqs!(
elseif (t == 1 && is_initially_on) || (t > 1 && !time_invariant)
if t > 1
min_prod_last_period =
prod_above[gn, t-1] + g.min_power[t-1] * is_on[gn, t-1]
prod_above[sc.name, gn, t-1] + g.min_power[t-1] * is_on[gn, t-1]
else
min_prod_last_period = max(g.initial_power, 0.0)
end
@@ -76,7 +77,7 @@ function _add_ramp_eqs!(
# Modified version of equation (35) in Kneuven et al. (2020)
# Equivalent to (24)
eq_str_ramp_up[gn, t] = @constraint(
eq_str_ramp_up[sc.name, gn, t] = @constraint(
model,
max_prod_this_period - min_prod_last_period <=
(SU - RU) * switch_on[gn, t] + RU * is_on[gn, t]
@@ -88,7 +89,7 @@ function _add_ramp_eqs!(
t > 1 && (RESERVES_WHEN_SHUT_DOWN || RESERVES_WHEN_RAMP_DOWN) ?
reserve[t-1] : 0.0
)
min_prod_this_period = prod_above[gn, t]
min_prod_this_period = prod_above[sc.name, gn, t]
on_last_period = 0.0
if t > 1
on_last_period = is_on[gn, t-1]
@@ -98,7 +99,7 @@ function _add_ramp_eqs!(
if t > 1 && time_invariant
# Equation (36) in Kneuven et al. (2020)
eq_str_ramp_down[gn, t] = @constraint(
eq_str_ramp_down[sc.name, gn, t] = @constraint(
model,
max_prod_last_period - min_prod_this_period <=
(SD - g.min_power[t] - RD) * switch_off[gn, t] +
@@ -110,7 +111,7 @@ function _add_ramp_eqs!(
# Modified version of equation (36) in Kneuven et al. (2020)
# Equivalent to (25)
eq_str_ramp_down[gn, t] = @constraint(
eq_str_ramp_down[sc.name, gn, t] = @constraint(
model,
max_prod_last_period - min_prod_this_period <=
(SD - RD) * switch_off[gn, t] + RD * on_last_period