2003
DOI: 10.1590/s0103-17592003000300007
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Métodos de pontos interiores para problema de fluxo de potência ótimo DC

Abstract: The primal-dual and predictor-corrector versions of interior point methods are developed for an optimal DC power flow model where Kirchhoff law's are represented by a network flow model with surrogate constraints. The resulting matrix structure is explored reducing the linear system to be solved either to the number of buses or to the number of independent loops, leading to very fast iterations. Either matrix is invariant and can be factored off-line. As a consequence of such matrix manipulations, a linear sys… Show more

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Cited by 14 publications
(17 citation statements)
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“…Thus, the changes that have occurred in the matrices are known before and can be studied before the beginning of the iterative process. Without loss of generality, it is possible to use a heuristic for the construction of the spanning tree, in order to ensure that the branches to be manipulated will always belong to the co-tree [14]. For both line and bus manipulations, the matrix k B is stored for subsequent calculations of the resolution of linear systems of the interior-point method.…”
Section: Numerical Experimentsmentioning
confidence: 99%
“…Thus, the changes that have occurred in the matrices are known before and can be studied before the beginning of the iterative process. Without loss of generality, it is possible to use a heuristic for the construction of the spanning tree, in order to ensure that the branches to be manipulated will always belong to the co-tree [14]. For both line and bus manipulations, the matrix k B is stored for subsequent calculations of the resolution of linear systems of the interior-point method.…”
Section: Numerical Experimentsmentioning
confidence: 99%
“…O problema quadrático de fluxo de potênciaótimo (FPO) DC pode ser representado por um problema de fluxo em redes com restrições adicionais [10] α e β são ponderações dos objetivos a minimizar. Para simplificar o desenvolvimento do método, faremos as seguintes alterações no modelo:…”
Section: Problema De Fluxo De Potênciaótimo DC E O Princípio Do Mínimunclassified
“…[11]. Uma vantagem dessa abordagem é que, com a representação independente das leis de Kirchhoff, os fluxos de potência se tornam explícitos, permitindo a consideração direta dos limites de transmissão como restrições e das perdas de transmissão como um critério de desempenho.…”
Section: Introductionunclassified