ANL-CEEESA/UnitCommitment.jl
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oyurdakul
2022-04-01 15:17:14 +02:00
parent 8988b00b07
commit febb4f1aad
45 changed files with 274 additions and 487 deletions
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62
src/validation/validate.jl
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@@ -24,10 +24,7 @@ This function is implemented independently from the optimization model in
producing valid solutions. It can also be used to verify the solutions produced
by other optimization packages.
"""
function validate(
instance::UnitCommitmentInstance,
solution::Union{Dict,OrderedDict},
)::Bool
function validate(instance::UnitCommitmentInstance, solution::Union{Dict,OrderedDict})::Bool
err_count = 0
err_count += _validate_units(instance, solution)
err_count += _validate_reserve_and_demand(instance, solution)
@@ -50,13 +47,12 @@ function _validate_units(instance, solution; tol = 0.01)
actual_startup_cost = solution["Startup cost (\$)"][unit.name]
is_on = bin(solution["Is on"][unit.name])
for t in 1:instance.time
for t = 1:instance.time
# Auxiliary variables
if t == 1
is_starting_up = (unit.initial_status < 0) && is_on[t]
is_shutting_down = (unit.initial_status > 0) && !is_on[t]
ramp_up =
max(0, production[t] + reserve[t] - unit.initial_power)
ramp_up = max(0, production[t] + reserve[t] - unit.initial_power)
ramp_down = max(0, unit.initial_power - production[t])
else
is_starting_up = !is_on[t-1] && is_on[t]
@@ -90,11 +86,7 @@ function _validate_units(instance, solution; tol = 0.01)
# Verify must-run
if !is_on[t] && unit.must_run[t]
@error @sprintf(
"Must-run unit %s is offline at time %d",
unit.name,
t
)
@error @sprintf("Must-run unit %s is offline at time %d", unit.name, t)
err_count += 1
end
@@ -121,8 +113,7 @@ function _validate_units(instance, solution; tol = 0.01)
end
# If unit is on, must produce at most its maximum power
if is_on[t] &&
(production[t] + reserve[t] > unit.max_power[t] + tol)
if is_on[t] && (production[t] + reserve[t] > unit.max_power[t] + tol)
@error @sprintf(
"Unit %s produces above its maximum limit at time %d (%.2f + %.2f> %.2f)",
unit.name,
@@ -136,11 +127,7 @@ function _validate_units(instance, solution; tol = 0.01)
# If unit is off, must produce zero
if !is_on[t] && production[t] + reserve[t] > tol
@error @sprintf(
"Unit %s produces power at time %d while off",
unit.name,
t
)
@error @sprintf("Unit %s produces power at time %d while off", unit.name, t)
err_count += 1
end
@@ -169,9 +156,7 @@ function _validate_units(instance, solution; tol = 0.01)
end
# Ramp-up limit
if !is_starting_up &&
!is_shutting_down &&
(ramp_up > unit.ramp_up_limit + tol)
if !is_starting_up && !is_shutting_down && (ramp_up > unit.ramp_up_limit + tol)
@error @sprintf(
"Unit %s exceeds ramp up limit at time %d (%.2f > %.2f)",
unit.name,
@@ -201,7 +186,7 @@ function _validate_units(instance, solution; tol = 0.01)
# Calculate how much time the unit has been offline
time_down = 0
for k in 1:(t-1)
for k = 1:(t-1)
if !is_on[t-k]
time_down += 1
else
@@ -235,7 +220,7 @@ function _validate_units(instance, solution; tol = 0.01)
# Calculate how much time the unit has been online
time_up = 0
for k in 1:(t-1)
for k = 1:(t-1)
if is_on[t-k]
time_up += 1
else
@@ -288,7 +273,7 @@ end
function _validate_reserve_and_demand(instance, solution, tol = 0.01)
err_count = 0
for t in 1:instance.time
for t = 1:instance.time
load_curtail = 0
fixed_load = sum(b.load[t] for b in instance.buses)
ps_load = 0
@@ -298,13 +283,10 @@ function _validate_reserve_and_demand(instance, solution, tol = 0.01)
ps in instance.price_sensitive_loads
)
end
production =
sum(solution["Production (MW)"][g.name][t] for g in instance.units)
production = sum(solution["Production (MW)"][g.name][t] for g in instance.units)
if "Load curtail (MW)" in keys(solution)
load_curtail = sum(
solution["Load curtail (MW)"][b.name][t] for
b in instance.buses
)
load_curtail =
sum(solution["Load curtail (MW)"][b.name][t] for b in instance.buses)
end
balance = fixed_load - load_curtail - production + ps_load
@@ -321,12 +303,13 @@ function _validate_reserve_and_demand(instance, solution, tol = 0.01)
err_count += 1
end
# Verify flexiramp solutions only if either of the up-flexiramp and
# down-flexiramp requirements is not a default array of zeros
if instance.reserves.upflexiramp != zeros(instance.time) || instance.reserves.dwflexiramp != zeros(instance.time)
if instance.reserves.upflexiramp != zeros(instance.time) ||
instance.reserves.dwflexiramp != zeros(instance.time)
upflexiramp =
sum(solution["Up-flexiramp (MW)"][g.name][t] for g in instance.units)
sum(solution["Up-flexiramp (MW)"][g.name][t] for g in instance.units)
upflexiramp_shortfall =
(instance.flexiramp_shortfall_penalty[t] >= 0) ?
solution["Up-flexiramp shortfall (MW)"][t] : 0
@@ -341,7 +324,7 @@ function _validate_reserve_and_demand(instance, solution, tol = 0.01)
)
err_count += 1
end
dwflexiramp =
sum(solution["Down-flexiramp (MW)"][g.name][t] for g in instance.units)
@@ -359,11 +342,10 @@ function _validate_reserve_and_demand(instance, solution, tol = 0.01)
)
err_count += 1
end
# Verify spinning reserve solutions only if both up-flexiramp and
# down-flexiramp requirements are arrays of zeros.
# Verify spinning reserve solutions only if both up-flexiramp and
# down-flexiramp requirements are arrays of zeros.
else
reserve =
sum(solution["Reserve (MW)"][g.name][t] for g in instance.units)
reserve = sum(solution["Reserve (MW)"][g.name][t] for g in instance.units)
reserve_shortfall =
(instance.shortfall_penalty[t] >= 0) ?
solution["Reserve shortfall (MW)"][t] : 0
@@ -379,7 +361,7 @@ function _validate_reserve_and_demand(instance, solution, tol = 0.01)
err_count += 1
end
end
end
return err_count