Analysis of Numerical Methods to Include Dynamic Constraints in an Optimal Power Flow Model

The optimization of the operation of power systems including steady state and dynamic constraints is efficiently solved by Transient Stability Constrained Optimal Power Flow (TSCOPF) models. TSCOPF studies extend well-known optimal power flow models by introducing the electromechanical oscillations...

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Main Authors: Francisco Arredondo, Edgardo Daniel Castronuovo, Pablo Ledesma, Zbigniew Leonowicz
Format: Article
Language:English
Published: MDPI AG 2019-03-01
Series:Energies
Subjects:
Online Access:http://www.mdpi.com/1996-1073/12/5/885
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author Francisco Arredondo
Edgardo Daniel Castronuovo
Pablo Ledesma
Zbigniew Leonowicz
author_facet Francisco Arredondo
Edgardo Daniel Castronuovo
Pablo Ledesma
Zbigniew Leonowicz
author_sort Francisco Arredondo
collection DOAJ
description The optimization of the operation of power systems including steady state and dynamic constraints is efficiently solved by Transient Stability Constrained Optimal Power Flow (TSCOPF) models. TSCOPF studies extend well-known optimal power flow models by introducing the electromechanical oscillations of synchronous machines. One of the main approaches in TSCOPF studies includes the discretized differential equations that represent the dynamics of the system in the optimization model. This paper analyzes the impact of different implicit and explicit numerical integration methods on the solution of a TSCOPF model and the effect of the integration time step. In particular, it studies the effect on the power dispatch, the total cost of generation, the accuracy of the calculation of electromechanical oscillations between machines, the size of the optimization problem and the computational time.
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spelling doaj.art-8463c5c5fa4b406590f48086c2f1ec5f2022-12-22T04:20:06ZengMDPI AGEnergies1996-10732019-03-0112588510.3390/en12050885en12050885Analysis of Numerical Methods to Include Dynamic Constraints in an Optimal Power Flow ModelFrancisco Arredondo0Edgardo Daniel Castronuovo1Pablo Ledesma2Zbigniew Leonowicz3Department of Electrical Engineering, Universidad Carlos III de Madrid, Av. de la Universidad 30, 28911 Leganés, SpainDepartment of Electrical Engineering, Universidad Carlos III de Madrid, Av. de la Universidad 30, 28911 Leganés, SpainDepartment of Electrical Engineering, Universidad Carlos III de Madrid, Av. de la Universidad 30, 28911 Leganés, SpainFaculty of Electrical Engineering, Wrocław University of Science and Technology, 50-370 Wrocław, PolandThe optimization of the operation of power systems including steady state and dynamic constraints is efficiently solved by Transient Stability Constrained Optimal Power Flow (TSCOPF) models. TSCOPF studies extend well-known optimal power flow models by introducing the electromechanical oscillations of synchronous machines. One of the main approaches in TSCOPF studies includes the discretized differential equations that represent the dynamics of the system in the optimization model. This paper analyzes the impact of different implicit and explicit numerical integration methods on the solution of a TSCOPF model and the effect of the integration time step. In particular, it studies the effect on the power dispatch, the total cost of generation, the accuracy of the calculation of electromechanical oscillations between machines, the size of the optimization problem and the computational time.http://www.mdpi.com/1996-1073/12/5/885power system transient stabilityeconomic dispatchnumerical integration methodsnon-linear programmingoptimal power flow
spellingShingle Francisco Arredondo
Edgardo Daniel Castronuovo
Pablo Ledesma
Zbigniew Leonowicz
Analysis of Numerical Methods to Include Dynamic Constraints in an Optimal Power Flow Model
Energies
power system transient stability
economic dispatch
numerical integration methods
non-linear programming
optimal power flow
title Analysis of Numerical Methods to Include Dynamic Constraints in an Optimal Power Flow Model
title_full Analysis of Numerical Methods to Include Dynamic Constraints in an Optimal Power Flow Model
title_fullStr Analysis of Numerical Methods to Include Dynamic Constraints in an Optimal Power Flow Model
title_full_unstemmed Analysis of Numerical Methods to Include Dynamic Constraints in an Optimal Power Flow Model
title_short Analysis of Numerical Methods to Include Dynamic Constraints in an Optimal Power Flow Model
title_sort analysis of numerical methods to include dynamic constraints in an optimal power flow model
topic power system transient stability
economic dispatch
numerical integration methods
non-linear programming
optimal power flow
url http://www.mdpi.com/1996-1073/12/5/885
work_keys_str_mv AT franciscoarredondo analysisofnumericalmethodstoincludedynamicconstraintsinanoptimalpowerflowmodel
AT edgardodanielcastronuovo analysisofnumericalmethodstoincludedynamicconstraintsinanoptimalpowerflowmodel
AT pabloledesma analysisofnumericalmethodstoincludedynamicconstraintsinanoptimalpowerflowmodel
AT zbigniewleonowicz analysisofnumericalmethodstoincludedynamicconstraintsinanoptimalpowerflowmodel