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Utilização de materiais naturais como medida de produção mais limpa no isolamento térmico de coletor solar para aquecimento de água
(Universidade Federal de Santa Maria, 2012-08-15)
Development without harming the environment is a growing concern and clean sources of
energy emerges as one of the main contributors for a sustainable world. Solar thermal energy
is becoming ubiquitous and has increased ...
Desenvolvimento de um escâner automatizado para medição sequencial e caracterização espaço-temporal de materiais acústicos
(Universidade Federal de Santa Maria, 2022-08-12)
This thesis presents the development of an automated scanner for measuring sequential
impulsive responses, to be applied on the spatio-temporal characterization of materials,
used in acoustic treatment. The system uses ...
Desenvolvimento e implantação de solução para comunicação bidirecional de longo alcance com medidores de energia elétrica
(Universidade Federal de Santa Maria, 2022-09-21)
In recent years, the electricity generation, transmission and distribution has gone through
changes. New kinds of loads are inserted on the grid, technologies are being introduced
and new standards are being estabilished. ...
Análise do comportamento estrutural de pavimentos rodoviários e urbanos construídos na região de Santa Maria
(Universidade Federal de Santa Maria, 2003-09-19)
In this work, it was analyzed, under the light of the resistance and
resilience, the structural behavior of the pavements of Santa Maria
Contour, BR-158, executed in 1971 and 1973 and the executed
reinforcements in 1977 ...
Desenvolvimento de um sistema de eletrocoagulação-flotação para o tratamento de água para abastecimento público
(Universidade Federal de Santa Maria, 2022-08-23)
Although essential for human life, health and dignity, there is a large proportion of people without
access to services of water supply. Most of them are in regions with difficult access, low
demographic density and/or ...
Modelagem e controle de um conversor SEPIC isolado com célula dobradora de tensão para aplicação em microinversores fotovoltaicos
(Universidade Federal de Santa Maria, 2021-12-20)
With the increase in the installation of photovoltaic systems connected to the grid, several types
of research have been carried out to develop and improve the electronic circuits used in the
processing of energy supplied ...
Identificação de perdas não técnicas em sistemas de distribuição agregando dados exógenos e inteligência artificial
(Universidade Federal de Santa Maria, 2022-08-29)
Identifying of Non-Technical Losses (NTL) is one of the most challenging tasks in power
distribution systems due to its technical difficulty, adversities encountered in locus and cost of
moving units for verification in ...
Conversor boost com indutor acoplado de arranjo diferencial com grampeador ativo com comutação em zero de tensão
(Universidade Federal de Santa Maria, 2022-07-27)
The population grouth and technological development led to increasing energy
demand in the world, which leads many countries to look for fossil fuels to meet the
increasing energy damand in the world. The use of fossil ...
Uma metodologia para identificação de perdas não técnicas em unidades consumidoras irrigantes de café do estado de São Paulo
(Universidade Federal de Santa Maria, 2022-07-29)
Within the rural network, several factors can influence the difficulty on the part of distributors
to locate fraudulent or irregular consumer units that may be causing non-technical losses, such
as, for example, the ...
Contribuição à família de conversores CC-CC bidirecionais buck/boost
(Universidade Federal de Santa Maria, 2022-07-17)
With the search for clean renewable energies and the growing of the greenhouse
gases, there is an increase in the number of electric vehicles and own generation. As most
renewable energies are naturally in DC the best ...