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Comparative Analysis of optimization methods applied to the solution of the reconfiguration of electrical distribution systems

Grant number: 18/18659-2
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): March 01, 2019
Effective date (End): July 31, 2020
Field of knowledge:Engineering - Electrical Engineering - Power Systems
Principal Investigator:John Fredy Franco Baquero
Grantee:Christoffer Lucas Bezão Silveira
Host Institution: Faculdade de Engenharia (FEIS). Universidade Estadual Paulista (UNESP). Campus de Ilha Solteira. Ilha Solteira , SP, Brazil


The reconfiguration of distribution systems has been extensively studied in recent years, with the main objective the reduction of power losses. Different methods have been developed to solve the reconfiguration problem, which can be classified as heuristics, metaheuristics (e.g., genetic algorithms and tabu search), and mathematical optimization (e.g., linear programming and nonlinear programming). Although many works reported the computational effort required for each method, it is not always possible to make a direct comparison among different approaches due to the different conditions in which they were developed/tested (e.g., test systems, programming language, and computational equipment). This research project will carry out a comparative analysis among different heuristic, metaheuristic, and mathematical optimization methods applied to the solution of the reconfiguration of electrical distribution systems. That analysis will allow the classification of the methods' performance according to the value of the objective function and the computational effort. In particular, the performance of nonlinear, linear, and conic mathematical formulations for the reconfiguration problem will be evaluated through test and real distribution networks typically used in the specialized literature. Furthermore, from the study of those different mathematical approaches, the application of surrogate constraints, which colud accelerate the solution process, will be evaluated. The mathematical formulations will be implemented using the modeling language AMPL and solved using commercial solvers. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
SILVEIRA, CHRISTOFFER L. BEZAO; TABARES, ALEJANDRA; FARIA, LUCAS TELES; FRANCO, JOHN F.. Mathematical optimization versus Metaheuristic techniques: A performance comparison for reconfiguration of distribution systems. Electric Power Systems Research, v. 196, . (15/21972-6, 17/02831-8, 18/20990-9, 18/18659-2)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
SILVEIRA, Christoffer Lucas Bezão. Análise comparativa de métodos de otimização para a solução do problema de reconfiguração de sistemas de distribuição de energia elétrica. 2020. Master's Dissertation - Universidade Estadual Paulista (Unesp). Faculdade de Engenharia. Ilha Solteira Ilha Solteira.

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