2007
DOI: 10.1590/s0103-17592007000400010
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Solução do problema de superação de disjuntores pela alocação ótima de dispositivos limitadores de corrente de curto-circuito utilizando algoritmos genéticos

Abstract: Este artigo apresenta uma metodologia para auxiliar nos estudos de limitação de correntes de curto-circuito em sistemas elétricos com problemas de superação de disjuntores, através da alocação ótima de dispositivos limitadores. O problema de otimização é solucionado aplicando-se Algoritmos Genéticos e levando em consideração os requisitos de custo mínimo, alocação de um número mínimo de dispositivos e a máxima redução da corrente de curto-circuito. A detecção da superação do disjuntor é feita pela análise tant… Show more

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“…In the simulation, the transformer is considered to be connected to an equivalent electrical system, which has a short circuit power equals to the short‐circuit power of the transformer and a ratio X / R = 14, which is a typical ratio for 230 kV systems [23]. In addition, the energisation is performed with no load, at the instant of time corresponding to the passage through zero of the voltage signal in the central phase of the transformer.…”
Section: Methodsmentioning
confidence: 99%
“…In the simulation, the transformer is considered to be connected to an equivalent electrical system, which has a short circuit power equals to the short‐circuit power of the transformer and a ratio X / R = 14, which is a typical ratio for 230 kV systems [23]. In addition, the energisation is performed with no load, at the instant of time corresponding to the passage through zero of the voltage signal in the central phase of the transformer.…”
Section: Methodsmentioning
confidence: 99%