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Detecção de ilhamento em sistemas de distribuição com geração síncrona distribuída
(Universidade Federal de Santa Maria, 2016-02-26)
Nowadays due to the increase of renewable energy sources, Distributed Generations (DGs) assumed an important role in distribution and sub transmission systems. However, abnormal operating conditions of the distribution ...
Novos métodos de estimação de estado multi-área com potencial aplicação em redes elétricas inteligentes
(Universidade Federal de Santa Maria, 2015-03-06)
The smart grid will enable a revolution in the way we manage and relates to the distribution networks through intelligent applications. For many of these applications, it is understood that one of the primary activities ...
Aspectos técnicos e operacionais do uso de microturbinas conectadas aos sistmas elétricos para geração distribuída de energia
(Universidade Federal de Santa Maria, 2010-06-16)
The considerable increase in energy demand has increased the interest in reducing costs, improving reliability, quality and stability of power generation systems. The connection of distributed generation (DG) can be used ...
Tranformada wavelet e redes neurais artificiais na análise de sinais relacionados à qualidade da energia elétrica
(Universidade Federal de Santa Maria, 2009-02-10)
This work presents a different method for power quality signal classification using the principal components analysis (PCA) associated to the wavelet transform (WT). The standard deviation of the detail coefficients and ...
Integração de pilhas de células a combustível com outras fontes alternativas de energia
(Universidade Federal de Santa Maria, 2009-03-31)
This dissertation presents a project of a integrated system with distinct energy generating modules using a wind generator, photovoltaic generator, fuel cells stack
(FCs) and an accumulator of energy formed by a bank of ...
Uma proposta de interconexão de proteções para detecção de ilhamento em sistemas de geração distribuída
(Universidade Federal de Santa Maria, 2014-02-27)
This work presents a methodology for detecting islanding in distributed generation
systems - DG - which use internal combustion engines as primary sources and synchronous
generators connected directly to grid. The proposed ...
Impacto técnico e econômico do uso de microturbinas para geração de energia elétrica em aterros sanitários sobre os sistemas de distribuição
(Universidade Federal de Santa Maria, 2015-08-26)
The electricity generation in Brazil comes mainly from hydroelectric potential. Despite the importance of these sources, Brasil has several alternatives for electric power generation, such as those derived from biomass. ...
Análise da viabilidade técnica da operação de sistemas com geração distribuída no modo ilhado intencional
(Universidade Federal de Santa Maria, 2016-03-22)
The increasing demand for energy, coupled with the difficulties inherent in the
implementation of large generation projects, significantly increased the use of energy
resources from renewable energy sources, in order to ...
Estratégias de gerenciamento pelo lado da demanda aplicadas aos consumidores de BT considerando a tarifa branca e a geração distribuída
(Universidade Federal de Santa Maria, 2016-06-10)
This Master s Dissertation presents a study on the technical and financial
impact of the application of strategies for Demand-Side Management (DSM) in
residential consumers BT (Group B), considering the white tariff and ...
Mapeamento e priorização de fontes de geração distribuída como suporte ao novo planejamento da distribuição
(Universidade Federal de Santa Maria, 2015-03-16)
Despite the growing movement of the share of renewable sources in the global energy matrix, the weight of sources such as natural gas, coal and petroleum derivatives is considerably significant. In this respect, the need ...