Optimal location and sizing of capacitors in radial distribution networks using an exact MINLP model for operating costs minimization
Montoya Giraldo O.D.
Grisales Noreña L.F.
Garrido Arévalo V.M.University
Universidad Tecnológica de Bolívar
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This paper presents an exact mixed-integer nonlinear programming (MINLP) model for optimal sizing and location of capacitor banks in radial distribution networks (RDN). The total operating costs of the RDN are minimized taking into account the classical restrictions of the electrical system, which are modeled by using a power flow formulation. Only fixed capacitor banks are considered in this paper. A commercial optimization package known as general algebraic modeling system (GAMS) is employed to implement the MINLP, ant its solution is obtained by CONOPT package. The effectiveness and robustness of the proposed mathematical model is tested in two RDNs with 10 and 33 nodes respectively. Additionally, three different demand scenarios are considered for simulation analysis. © 2017 World Scientific and Engineering Academy and Society. All Rights Reserved.
Acknowledgements: The authors want to thank the support of National Scholarship Program Doctorates of the Administrative Department of Science, Technology and Innovation of Colombia (COLCIEN-CIAS), by calling contest 727-2015 and PhD program in Engineering of the Technological University of Pereira.
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