Impact of Distributed Generation on the Effectiveness of Electric Distribution System Reconfiguration

Matheus Diniz Gonçalves-Leite, Edgar Manuel Carreño-Franco and Jesús M. López-Lezama ()
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Matheus Diniz Gonçalves-Leite: Centro de Engenharias e Ciencias Exatas (CECE), Universidade Estadual do Oeste do Paraná (UNIOESTE), Av. Tarquínio Joslin dos Santos, 1300, Foz do Iguaçu 85870-650, Brazil
Edgar Manuel Carreño-Franco: Centro de Engenharias e Ciencias Exatas (CECE), Universidade Estadual do Oeste do Paraná (UNIOESTE), Av. Tarquínio Joslin dos Santos, 1300, Foz do Iguaçu 85870-650, Brazil
Jesús M. López-Lezama: Grupo de Investigación en Manejo Eficiente de la Energía (GIMEL), Departamento de Ingeniería Eléctrica, Universidad de Antioquia (UdeA), Calle 70 No. 52-21, Medellin 050010, Colombia

Energies, 2023, vol. 16, issue 17, 1-20

Abstract: Distribution system reconfiguration (DSR) is an essential activity in the operation of distribution utilities, usually carried out to lower active power losses and improve reliability metrics. The insertion of distributed generation (DG) units in electric power distribution systems (EPDS) causes the rearrangement of power flows through the conductors and changes the real power losses and voltage profile; therefore, up to a certain point, the insertion of certain quantities of DG may potentially delay or change the reconfiguration strategy of EPDS. This article presents an analysis of the impact of DG, for different locations of the units and different levels of active power supplied by them, on real power losses and on the effectiveness of DSR. The article presents tests with different distribution systems with varying sizes and topologies, showing that the allocation of DG units in buses far from the substation provided the best cost–benefit results. The DSR impact changes depending on the installment location and the generation level of the DG units, corroborating that DSR must be considered and performed using certain criteria, to maximize its efficiency.

Keywords: active power losses; distributed generation; distribution system reconfiguration; metaheuristics (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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