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Itens para a visualização no momento 21-30 of 215
Impacto do controle Volt/VAr em redes de distribuição a partir da exploração do potencial dos inversores de sistemas fotovoltaicos
(Universidade Federal de Santa Maria, 2018-08-29)
The presence of Distributed Generation is a reality in the Brazilian electric sector, with the prospect that increasingly the participation of these sources contributes to the energy matrix of our country. Faced with this ...
Uso de simulação hidráulica na tomada de decisão em redes de abastecimento de água
(Universidade Federal de Santa Maria, 2018-10-26)
Water is essential for the development of human life. Although sanitation services have been improving in Brazil, brazilian water networks still lose 36,3% of the water distributed to the population. These water losses may ...
Paradigmas da participação pública: uma análise da efetividade dos comitês de bacia do RS por meio da proposição de indicadores de desempenho
(Universidade Federal de Santa Maria, 2018-09-04)
The increase in environmental degradation, as well as its consequent control in the quality and quantity of water, leads to the search for efficient management, which aims at sustainable development. Increasingly, society ...
Influência da população idosa feminina na avaliação de conforto térmico pelo Modelo de Fanger
(Universidade Federal de Santa Maria, 2018-08-29)
On the world stage, the age pyramid have been suffering alterations with the accelerated increase of aged people, which characterizes the aging of global population. Therefore, it is necessary to create conditions for aged ...
Determinação de parâmetros que influenciam nas propriedades mecânicas de material fresado estabilizado granulométrica e quimicamente para emprego em pavimentação
(Universidade Federal de Santa Maria, 2018-09-27)
The materials originated from the recycling of asphalt paving can become an important constructive alternative in the road sector, besides contributing to the sustainability policy. Due to the preservation importance of ...
Redução de micropoluentes por sistema de tanque séptico e wetland construído vertical com recirculação
(Universidade Federal de Santa Maria, 2018-09-17)
Constructed wetlands are well-established systems known worldwide for the treatment of domestic effluents. In Brazil they are still little used, and in-depth studies are needed on the removal of carbonaceous and nitrogenous ...
Estudo da rigidez, da deformação permanente e da fadiga de misturas asfálticas com ligantes convencionais e modificados
(Universidade Federal de Santa Maria, 2018-11-22)
In Brazil, there are two most recurrent defects found on highways: permanent deformation and cracking due to fatigue. Among the most varied causes, the formation and propagation of cracks in the asphalt coating occurs as ...
Estimativa da produção de energia solar fotovoltaica com base em modelos meteorológicos
(Universidade Federal de Santa Maria, 2018-08-23)
Photovoltaic energy had an exponential growth in the last few years in Brazil and soon it
should become an important source of energy in the Brazilian electrical system. Unlike
other sources, it is not possible to control ...
Determinação de arranjos regulatórios e econômicos para viabilizar investimentos em sistemas de armazenamento de energia em redes de distribuição de energia elétrica
(Universidade Federal de Santa Maria, 2018-12-17)
In this work, it is presented a methodology for analyzing the insertion of energy
storage systems in electric energy distribution networks. This methodology consists
of modeling the current regulatory policy with its ...
Inversores fotovoltaicos trifásicos não isolados conectados à rede com técnicas para redução da corrente de fuga
(Universidade Federal de Santa Maria, 2018-12-18)
This doctoral dissertation presents contributions related to transformerless grid-connected
three-phase photovoltaic systems, focusing on the leakage current reduction. Among the
leakage current reduction techniques, the ...