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43c68a3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | # UnitCommitment.jl: Optimization Package for Security-Constrained Unit Commitment
# Copyright (C) 2020, UChicago Argonne, LLC. All rights reserved.
# Released under the modified BSD license. See COPYING.md for more details.
abstract type TransmissionFormulation end
abstract type RampingFormulation end
abstract type PiecewiseLinearCostsFormulation end
abstract type StartupCostsFormulation end
abstract type StatusVarsFormulation end
abstract type ProductionVarsFormulation end
abstract type PowerTrajectoriesFormulation end
"""
struct Formulation
prod_vars::ProductionVarsFormulation
pwl_costs::PiecewiseLinearCostsFormulation
ramping::RampingFormulation
startup_costs::StartupCostsFormulation
status_vars::StatusVarsFormulation
transmission::TransmissionFormulation
end
Struct provided to `build_model` that holds various formulation components.
# Fields
- `prod_vars`: Formulation for the production decision variables
- `pwl_costs`: Formulation for the piecewise linear costs
- `ramping`: Formulation for ramping constraints
- `startup_costs`: Formulation for time-dependent start-up costs
- `status_vars`: Formulation for the status variables (e.g. `is_on`, `is_off`)
- `transmission`: Formulation for transmission and N-1 security constraints
"""
struct Formulation
prod_vars::ProductionVarsFormulation
pwl_costs::PiecewiseLinearCostsFormulation
ramping::RampingFormulation
startup_costs::StartupCostsFormulation
status_vars::StatusVarsFormulation
transmission::TransmissionFormulation
power_trajectories::Union{PowerTrajectoriesFormulation, Nothing}
function Formulation(;
prod_vars::ProductionVarsFormulation = Gar1962.ProdVars(),
pwl_costs::PiecewiseLinearCostsFormulation = KnuOstWat2018.PwlCosts(),
ramping::RampingFormulation = MorLatRam2013.Ramping(),
startup_costs::StartupCostsFormulation = MorLatRam2013.StartupCosts(),
status_vars::StatusVarsFormulation = Gar1962.StatusVars(),
transmission::TransmissionFormulation = ShiftFactorsFormulation(),
power_trajectories::Union{PowerTrajectoriesFormulation, Nothing} = nothing,
)
return new(
prod_vars,
pwl_costs,
ramping,
startup_costs,
status_vars,
transmission,
power_trajectories,
)
end
end
"""
struct ShiftFactorsFormulation <: TransmissionFormulation
isf_cutoff::Float64 = 0.005
lodf_cutoff::Float64 = 0.001
precomputed_isf=nothing
precomputed_lodf=nothing
end
Transmission formulation based on Injection Shift Factors (ISF) and Line
Outage Distribution Factors (LODF). Constraints are enforced in a lazy way.
Arguments
---------
- `precomputed_isf`:
the injection shift factors matrix. If not provided, it will be computed.
- `precomputed_lodf`:
the line outage distribution factors matrix. If not provided, it will be
computed.
- `isf_cutoff`:
the cutoff that should be applied to the ISF matrix. Entries with magnitude
smaller than this value will be set to zero.
- `lodf_cutoff`:
the cutoff that should be applied to the LODF matrix. Entries with magnitude
smaller than this value will be set to zero.
"""
struct ShiftFactorsFormulation <: TransmissionFormulation
isf_cutoff::Float64
lodf_cutoff::Float64
precomputed_isf::Union{Nothing,Matrix{Float64}}
precomputed_lodf::Union{Nothing,Matrix{Float64}}
function ShiftFactorsFormulation(;
isf_cutoff = 0.005,
lodf_cutoff = 0.001,
precomputed_isf = nothing,
precomputed_lodf = nothing,
)
return new(isf_cutoff, lodf_cutoff, precomputed_isf, precomputed_lodf)
end
end
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