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Análise do impacto da manutenção em sistemas de distribuição de energia elétrica
(Universidade Federal de Santa Maria, 2017-03-01)
The new models of distribution concession contracts brought news to electric power concessionaires. By linking the renewal of concessions to the quality of service, in the midst of a period of national financial crisis, ...
Análise das inter-relações dos sinais vitais em pacientes portadores e não portadores de cardiopatia isquêmica
(Universidade Federal de Santa Maria, 2017-03-10)
According to the World Health Organization, cardiovascular diseases are the leading cause of death worldwide. Estimates made by the Brazilian Society of Cardiology indicate a total of 346,896 deaths from cardiovascular ...
Seleção multicriterial do tipo de minigeração distribuída usando casca de arroz
(Universidade Federal de Santa Maria, 2017-05-05)
The growing emphasis on conserving the environment associated with dependence on fossil fuels has stimulated the development and use of biomass as a source of renewable energy. Among the bioenergy alternatives is the rice ...
Metodologia para análise da influência de pequenas centrais de geração síncrona na margem de estabilidade de tensão
(Universidade Federal de Santa Maria, 2017-03-13)
The insertion of Distributed Generation has become a strong attraction due to its characteristic advantages, such as the reduction of losses in the energy transportation due to the lack of extensive transmission lines, ...
Modelo de gestão do conhecimento para acompanhamento de tendência à evasão em cursos de graduação presencial
(Universidade Federal de Santa Maria, 2017-07-05)
Dropouts at university is a complex phenomenon and represents a concern in the management of universities. However, knowledge about the causes of evasion has been explored in various ways in different studies in recent ...
Desenvolvimento e a regulação do mercado livre de energia no Brasil
(Universidade Federal de Santa Maria, 2017-03-06)
The development of the Free Energy Market in Brazil gained considerable importance due to
a series of recent transformations in Brazilian politics. For a long time, investments were not
made in this sector, causing a ...
Modelagem das curvas tempo x corrente de elos fusíveis do tipo expulsão por meio de redes neurais artificias
(Universidade Federal de Santa Maria, 2018-08-06)
Protection studies are essential to maintain the levels of energy supply in accordance with standards
imposed by regulatory agencies. Currently, this type of study is carried out through computational
tools. Therefore, ...
Desenvolvimento de estrutura de controle para paralelismo de inversores aplicados em fontes ininterruptas de energia
(Universidade Federal de Santa Maria, 2018-08-30)
This master's thesis proposes a control structure for inverters parallelism on uninterruptible power supply (UPS) modules with low line impedance characteristics. The structure is based on instantaneous current sharing ...
Overall equipment efficiency: estudo de caso a partir da previsão aplicada ao processo de gestão e falhas
(Universidade Federal de Santa Maria, 2018-03-02)
To develop or differentiate competitively, companies need to identify production
opportunities, to develop new conceptions for management strategies, using information from
all hierarchical levels, to fully understand ...
Alocação estocasticamente robusta de chaves automáticas em rede de distribuição de energia elétrica
(Universidade Federal de Santa Maria, 2018-06-28)
In distribution networks planning, proper selection of quantity and position of switches
provides a significant reduction in reliability indices and operating costs. For that,
historical failure data is used. However, ...