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66 lines
2.5 KiB
66 lines
2.5 KiB
# UnitCommitment.jl: Optimization Package for Security-Constrained Unit Commitment
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# Copyright (C) 2020, UChicago Argonne, LLC. All rights reserved.
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# Released under the modified BSD license. See COPYING.md for more details.
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abstract type TransmissionFormulation end
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abstract type RampingFormulation end
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abstract type PiecewiseLinearCostsFormulation end
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abstract type StartupCostsFormulation end
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struct Formulation
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pwl_costs::PiecewiseLinearCostsFormulation
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ramping::RampingFormulation
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startup_costs::StartupCostsFormulation
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transmission::TransmissionFormulation
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function Formulation(;
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pwl_costs::PiecewiseLinearCostsFormulation = KnuOstWat2018.PwlCosts(),
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ramping::RampingFormulation = MorLatRam2013.Ramping(),
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startup_costs::StartupCostsFormulation = MorLatRam2013.StartupCosts(),
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transmission::TransmissionFormulation = ShiftFactorsFormulation(),
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)
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return new(pwl_costs, ramping, startup_costs, transmission)
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end
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end
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"""
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struct ShiftFactorsFormulation <: TransmissionFormulation
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isf_cutoff::Float64
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lodf_cutoff::Float64
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precomputed_isf::Union{Nothing,Matrix{Float64}}
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precomputed_lodf::Union{Nothing,Matrix{Float64}}
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end
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Transmission formulation based on Injection Shift Factors (ISF) and Line
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Outage Distribution Factors (LODF). Constraints are enforced in a lazy way.
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Arguments
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---------
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- `precomputed_isf::Union{Matrix{Float64},Nothing} = nothing`:
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the injection shift factors matrix. If not provided, it will be computed.
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- `precomputed_lodf::Union{Matrix{Float64},Nothing} = nothing`:
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the line outage distribution factors matrix. If not provided, it will be
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computed.
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- `isf_cutoff::Float64 = 0.005`:
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the cutoff that should be applied to the ISF matrix. Entries with magnitude
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smaller than this value will be set to zero.
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- `lodf_cutoff::Float64 = 0.001`:
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the cutoff that should be applied to the LODF matrix. Entries with magnitude
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smaller than this value will be set to zero.
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"""
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struct ShiftFactorsFormulation <: TransmissionFormulation
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isf_cutoff::Float64
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lodf_cutoff::Float64
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precomputed_isf::Union{Nothing,Matrix{Float64}}
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precomputed_lodf::Union{Nothing,Matrix{Float64}}
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function ShiftFactorsFormulation(;
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isf_cutoff = 0.005,
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lodf_cutoff = 0.001,
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precomputed_isf = nothing,
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precomputed_lodf = nothing,
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)
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return new(isf_cutoff, lodf_cutoff, precomputed_isf, precomputed_lodf)
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end
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end
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