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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 ...
Desenvolvimento de material de isolamento térmico compósito à base de sabugo de milho
(Universidade Federal de Santa Maria, 2019-01-17)
One of the most important challenges for the construction industry is the reduction of environmental impacts at all stages of the life cycle. Among the possible guidelines for reducing environmental impacts is the use of ...
Sistema eletrônico de alto fator de potência com entrada universal e controle de intensidade luminosa para o acionamento de leds
(Universidade Federal de Santa Maria, 2016-12-23)
This master thesis presents the development of a 100 W LED driver, suitable for outdoor and street lighting. In
order to match the driver and LED features, special functionalities are added to the electronic system. To ...
Comportamento de misturas asfálticas tipo camada porosa de atrito (CPA)
(Universidade Federal de Santa Maria, 2016-12-13)
Road transport is extremely important for the development of Brazil and the increasing vehicular traffic
in the transport of people gives an excessive dependence on roads. The quality of the road network of
the country ...
Produção de sedimentos em suspensão em uma microbacia hidrográfica urbana
(Universidade Federal de Santa Maria, 2017-07-28)
Considering the problem of sediment dynamics in urban areas and the lack of information on the quantitative aspects of sediment yield in urban areas, this study aimed to evaluate the possibility of applying the traditional ...
Análise e metodologia de projeto de conversores cc-cc isolados com comutação sob tensão nula: ponte-completa e duplo meia-ponte
(Universidade Federal de Santa Maria, 2017-08-10)
This work presents a study of an isolated DC-DC converter with zero-voltage switching (ZVS)
and phase-shifted (PS) applied to full-bridge (ZVS-PS-FB) and double half-bridge converters
(ZVS-PS-DHB). The double half-bridge ...
Circuitos de acionamento para lâmpada LED tubular utilizando conversores a capacitor chaveado
(Universidade Federal de Santa Maria, 2017-08-11)
This work presents the design, simulation and experimental development of a topology using switched capacitor to feed a LED lamp to street lighting. The designed and tested circuits aim to feed a LED tubular lamp with power ...
Aplicação dos métodos AHP e fuzzy TOPSIS em incubadoras de empresas
(Universidade Federal de Santa Maria, 2017-08-29)
Given the importance of the process of organizational analysis and decision making, as a way to optimize results and to face business competitiveness, business incubators appear as promoters and executors of advisory ...
Uma análise empírica do índice carbono eficiente (ICO2) no mercado financeiro brasileiro
(Universidade Federal de Santa Maria, 2018-03-09)
The need to stimulate productive practices aimed at the transition from an intensive economy in the use of fossil fuels to a low-carbon economy, is an essential factor capable of reducing the negative externalities of the ...
Heurística matemática para resposta emergencial no sistema de distribuição de energia elétrica com ilhamento imprevisto
(Universidade Federal de Santa Maria, 2018-02-23)
The main objective of the electric power utility is the uninterrupted supply of energy,
however, this is not always possible due to the actions of nature, or even from equipment
or human failures. These interruptions are ...