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Aumento da eficiência de painéis fotovoltaicos com esfriamento por energia geotérmica e aquecimento de água
(Universidade Federal de Santa Maria, 2014-02-24)
This thesis deals with the increased efficiency of photovoltaic panels (PVs) through
cooling the cells by geothermal energy and water heating. Initially, a photovoltaic modeling is
made proposing an equation to obtain the ...
Sistema eletrônico isolado com elevado fator de potência e reduzidas capacitâncias para alimentação de leds aplicado à iluminação pública
(Universidade Federal de Santa Maria, 2013-08-06)
This work aims to develop a family of electronic converters with electrical isolation to supply a group of power light emitting diodes, applied to street lighting systems. The converters have high power factor and still ...
Comutador eletrônico de taps aplicado a um transformador de distribuição monofásico
(Universidade Federal de Santa Maria, 2014-02-27)
Voltage regulation still is a problem faced by power utilities currently. In addition to the series
impedance and the significant load variation of the distribution grids, the main causes of voltage
regulation problems, ...
Sistema eletrônico para lâmpadas fluorescentes de indução baseado na topologia sepic half-bridge bi-integrada com controle de intensidade luminosa por modulação de baixa frequência
(Universidade Federal de Santa Maria, 2015-06-15)
This master thesis presents the analysis and design of an electronic drive system for fluorescent induction lamps. This lighting technology, despite being patented since the 60s, is not widely diffused in the market context. ...
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. ...
Proposta de uma metodologia para o tratamento de alarmes e diagnóstico de falta em centros de operação e controle de sistemas de potência
(Universidade Federal de Santa Maria, 2013-03-07)
This dissertation proposes a methodology for alarm processing aiming to solve the fault section estimation in electrical power system. The main motivation for this study is the fact that operators of control centers being ...
Impactos operacionais da complementariedade de fontes de geração solar fotovoltaica e a biogás em sistemas de distribuição
(Universidade Federal de Santa Maria, 2016-03-04)
The current scenario of micro and mini distributed generation (micro and mini DG) in Brazil has been developing steadily and the power injection through the Distributed Generation (DG) regarding the development of small-scale ...
Inversor fotovoltaico não isolado NPC intercalado
(Universidade Federal de Santa Maria, 2016-03-04)
Throughout the twentieth century, the supply of electricity, mainly obtained from
fossil fuels like oil and coal, it has supported the growth and transformation of the world
economy. In the early years of this century, the ...
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 ...