Navegando por Data de Publicação, começando com "2021-05-03"
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listelement.badge.dso-typeItem, Modelagem do problema de fluxo de potência ótimo reativo com variáveis de controle contínuas e discretas(Universidade Federal de São Carlos, 2021-05-03) Barbosa, Andrey Castro; Lage, Guilherme Guimarães; https://lattes.cnpq.br/4426242038269208; https://lattes.cnpq.br/4927742847376554This work presents a simplified mathematical model for solving the reactive optimal power flow problem with continuous and discrete control variables. The distributed slack bus modeling was used in the tested electrical systems. The problem is formulated as a nonlinear programming problem with continuous and discrete variables so that its resolution is obtained fundamentally from mathematical modifications by the algorithm proposed in this work, in which discrete variables are treated as continuous by sinusoidal functions added to the original objective function. This work also proposes an effectiveness analysis of the results provided by different commercial solvers for the discretized reactive optimal power flow problem. The proposed modeling was applied on the IEEE 14, 30, 57, 118 and 300-bus test systems. The results presented reveal that the proposed model was effective in the optimization of the objective function and discretization of control variables of the systems.listelement.badge.dso-typeItem, Análises de caracterização: FTIR, DRX e medições de ângulo de contato de filmes poliméricos de amido de milho com incorporação de fibras de bagaço de cevada(Universidade Federal de São Carlos, 2021-05-03) Castanho, Maria Natalia; Paiva, Jane Maria Faulstich de; https://lattes.cnpq.br/2807864150195202; https://lattes.cnpq.br/7926832511513537listelement.badge.dso-typeItem, Datasets: análises térmicas de filmes poliméricos de amido de milho com incorporação de fibras de bagaço de cevada(Universidade Federal de São Carlos, 2021-05-03) Castanho, Maria Natalia; Paiva, Jane Maria Faulstich de; https://lattes.cnpq.br/2807864150195202; https://lattes.cnpq.br/7926832511513537listelement.badge.dso-typeItem, Ensaios mecânicos de tração de filmes poliméricos de amido de milho com incorporação de fibras de bagaço de cevada(Universidade Federal de São Carlos, 2021-05-03) Castanho, Maria Natalia; Paiva, Jane Maria Faulstich de; https://lattes.cnpq.br/2807864150195202; https://lattes.cnpq.br/7926832511513537