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Sequential quadratic programming models for solving the OPF problem in DC grids

dc.creatorMontoya O.D.
dc.creatorGil-González W.
dc.creatorGarces A.
dc.identifier.citationElectric Power Systems Research; Vol. 169, pp. 18-23
dc.description.abstractIn this paper, we address the optimal power flow problem in dc grids (OPF-DC). Our approach is based on sequential quadratic programming which solves the problem associated with non-convexity of the model. We propose two different linearizations and compare them to a non-linear algorithm. The first model is a Newton-based linearization which takes the Jacobian of the power flow as a linearization for the optimization stage, and the second model uses the nodal currents as auxiliary variables to linearize over the inequality constraints. Simulation results in radial and meshed grids demonstrate the efficiency of the proposed methodology and allow finding the same solution given by the exact nonlinear representation of the OPF-DC problem. © 2018 Elsevier B.V.eng
dc.description.sponsorshipDepartamento Administrativo de Ciencia, Tecnología e Innovación, COLCIENCIAS
dc.format.mediumRecurso electrónico
dc.publisherElsevier Ltd
dc.titleSequential quadratic programming models for solving the OPF problem in DC grids
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dc.subject.keywordsDirect current power grids
dc.subject.keywordsLinearization via Newton–Raphson method
dc.subject.keywordsOptimal power flow problem
dc.subject.keywordsQuadratic reformulations
dc.subject.keywordsVoltage-current formulation
dc.subject.keywordsAcoustic generators
dc.subject.keywordsConstraint theory
dc.subject.keywordsElectric load flow
dc.subject.keywordsElectric power transmission networks
dc.subject.keywordsQuadratic programming
dc.subject.keywordsDirect current power
dc.subject.keywordsOptimal power flow problem
dc.subject.keywordsQuadratic reformulations
dc.subject.keywordsRaphson methods
dc.subject.keywordsVoltage current
dc.subject.keywordsProblem solving
dc.rights.ccAtribución-NoComercial 4.0 Internacional
dc.identifier.instnameUniversidad Tecnológica de Bolívar
dc.identifier.reponameRepositorio UTB
dc.description.notesThis work was partially supported by the National Scholarship Program Doctorates of the Administrative Department of Science, Technology, and Innovation of Colombia (COLCIENCIAS) , by calling contest 727-2015.

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