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Desenvolvimento de transformador de distribuição de elevada eficiência e reduzida relação peso/potência empregando núcleo amorfo e óleo vegetal isolante
(Universidade Federal de Santa Maria, 2015-03-12)
The high amount of transformers connected to the Brazilian distribution system justifies the works and studies performed in order to improve the efficiency of these equipment. Any progress represents a significant improve ...
Avaliação do carregamento e do comportamento térmico de transformadores de distribuição através da aplicação do método de estimação de estados
(Universidade Federal de Santa Maria, 2019-07-29)
The need to know the real state of operation of the Electrical Systems is one of the most important aspects in the scope of Smart Grids. To accomplish this, obtaining real-time data from a comprehensive monitoring model ...
Desenvolvimento de uma estação de carregamento rápido com elemento armazenador de energia para veículos elétricos
(Universidade Federal de Santa Maria, 2017-08-04)
Concerns about climate change have increased the search for more efficient means
of transportation with reduced greenhouse gases emissions. A likely solution deal with
emissions is through hybrid and purely electric ...
Conversor híbrido com capacitores flutuantes e pernas magneticamente acopladas
(Universidade Federal de Santa Maria, 2019-08-23)
This work presents a general analysis for multilevel converters with flying capacitors and parallel
legs. For each converter leg, multilevel structures containing flying capacitors connected in parallel
via coupled ...
Metodologia para análise de transitórios eletromagnéticos durante paralelismo em redes de distribuição com presença de geração distribuída
(Universidade Federal de Santa Maria, 2019-07-29)
The parallelism of radial feeders of primary distributions networks is a technique that can be used to change the topology of the network under normal operating conditions, scheduled maintenance, or even in contingency ...
Avaliação do desempenho acústico das edificações para fins de financiamento imobiliário
(Universidade Federal de Santa Maria, 2013-02-28)
Most of the Brazilian habitation necessity is supplied by builds financed by real estate institutions. The
institutions receive as guarantee the own property financed. Those companies analyze the projects of
the enterprises ...
Contribuição ao estudo do conversor multinível híbrido em cascata monofásico empregado na interface entre fonte fotovoltaica, banco de baterias e rede elétrica.
(Universidade Federal de Santa Maria, 2017-08-30)
This master thesis presents an energy management strategy in order to eliminate power fluctuations
from a photovoltaic source through a single-phase cascade hybrid multilevel grid-tie
converter associated with a battery ...
Empreendedorismo e crescimento econômico: uma avaliação da performance econômica dos países participantes do Global Entrepreneurship Monitor (GEM)
(Universidade Federal de Santa Maria, 2013-08-07)
This study aims to analyze the performance of entrepreneurial activity in countries participating in the Global Entrepreneurship Monitor (GEM), by the use of multivariate quantitative methods, in order to generate new ...
Estudo dos recalques do aterro sanitário da Central de Resíduos do Recreio Minas do Leão/RS
(Universidade Federal de Santa Maria, 2013-04-05)
The magnitude and long duration of settlements in municipal solid waste landfills are a major problem in these structures. Several studies and surveys have been developed in recent years to estimate future settlements, ...
Extração de óleo da polpa de abacate utilizando gás liquefeito de petróleo pressurizado e dióxido de carbono supercrítico como solventes
(Universidade Federal de Santa Maria, 2016-02-15)
In this work two differents solvents were used for extraction, carbon dioxide (CO2) in the supercritical state and pressurized liquefied petroleum gas (LPG). The purpose was to extract the oil from the dried avocado pulp ...