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Análise das relações das tensões de entrada de inversores multiníveis híbridos conectados em cascata para minimizar a THD da tensão de saída
(Universidade Federal de Santa Maria, 2012-04-27)
This Master Thesis presents a study considering multilevel inverters formed from two and three level cascaded inverters.
The literature presents several papers on asymmetric multilevel inverters and most studies are related ...
Responsabilidade social como estratégia em empresas industriais do setor moveleiro em busca da sustentabilidade
(Universidade Federal de Santa Maria, 2013-09-16)
The vigorous transformations in the worldwide reality indicate the need of a responsible entrepreneurial awareness in the development process and require attitudes and practices from the businessmen that are socially ...
Modelagem e cenários hidrológicos em bacia representativa da Mata Atlântica no Sul do Brasil
(Universidade Federal de Santa Maria, 2013-08-27)
Human actions modify the environment and increase the degradation of water resources, which are limited and fundamental to the maintenance of life. Thus, it is vital that these resources are quantified, so they can be ...
Teoria da solução inventiva de problemas integrada à produção mais limpa
(Universidade Federal de Santa Maria, 2012-01-18)
The search for innovative solution, aligned to the growing need for cleaner industrial operations, is a solving problem process. In addition, we emphasize that the dairy industry has significant importance to the regional, ...
Reator eletrônico para lâmpadas de descarga em alta pressão baseado no conversor biflyback inversor
(Universidade Federal de Santa Maria, 2011-07-26)
The study of the best utilization of high intensity discharge lamps deals with the great global concern with energy efficiency. Electronic ballasts are the current devices that can make the good use of high luminous efficacy ...
O marketing de rede como estratégia para o desenvolvimento sustentável
(Universidade Federal de Santa Maria, 2011-08-25)
The third sector in Brazil is an industry with great growth potential, but due
tomismanagement performed, the non-governmental organizations end up using
the funds raised only for their survival. Thus, the investment ...
Comportamento tensão-deformação de prismas de alvenaria com argamassa de assentamento de baixa resistência e elevado teor de ar incorporado
(Universidade Federal de Santa Maria, 2023-02-08)
Structural masonry is an important and competitive construction system, as it is rational, flexible,
fast and efficient. Despite being one of the oldest construction processes, only in recent years has
this system been ...
Análise mecânica e química de placas pré-moldadas de concreto com adição de resíduos de borracha de pneus
(Universidade Federal de Santa Maria, 2012-09-28)
This work aims to analyze a building system that utilizes alternative material and residues of tire rubber in community housing. Primarily, this work shows a review of literature concerning housing, debit, environment, ...
Regime hidrológico de duas microbacias contíguas: um comparativo entre uso urbano e rural
(Universidade Federal de Santa Maria, 2012-02-27)
The human action induces changes in basins natural runoff. Flooding may become more
intense, there may be more immediate and prolonged droughts, an accelerated erosion
process and water quality tends to deteriorate. ...
Análise comparativa da energia injetada na rede por inversores módulos CA utilizados em sistemas fotovoltaicos
(Universidade Federal de Santa Maria, 2013-05-29)
This Master's Dissertation aims to compare two topologies of AC Module converters, applied in photovoltaic systems. The principles of operation, the characteristic equations, the parameters found are detailed for both ...