Reconfiguração ótima de sistemas de distribuição de energia elétrica com foco em confiabilidade

Abstract

This paper proposes an application of a combinatory optimization to the reconfiguration problem of electrical distribution systems with focus on the reliability criteria. The objective is to minimize the reliability index known as energy not supplied through the reconfiguration of radial electrical networks, as well as the evaluation of the impacts of the reconfiguration in other indexes, as the duration and frequency indexes. The contribution consists of the application of an algorithm based on the metaheuristic artificial immune systems from the literature developed for the reconfiguration problem, which considers the connectivity and radiality constraints, however, with focus on the reliability in the present work. Three case studies with known test systems in the literature are presented specifically to evaluate reliability indexes, as well as two additional case studies that compare results that optimize reliability with proposals that seek to optimize other criteria, as technical losses and voltage stability.