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Estratégia de controle Volt/VAr Coordenado para sistemas de distribuição inteligentes
(Universidade Federal de Santa Maria, 2018-03-26)
This work presents contributions to the study and development of Voltage and
Reactive Power Control (Volt/VAr control or VVC) for intelligent distribution systems.
Currently, the use of VVC is considered one of the most ...
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, ...
Abordagem para prospecção de cenários em instituto de pesquisa, desenvolvimento e inovação
(Universidade Federal de Santa Maria, 2018-09-03)
Through the realization of research, development and innovation projects, several technological advances in society were possible, provided by the generation and application of knowledge in systematized way. These projects ...
Análise em redução de processamento redundante de energia em conversores de dois estágios para iluminação Led
(Universidade Federal de Santa Maria, 2018-07-31)
This work presents mathematics analysis, simulation and experimental results for two of the isolated converters, the forward and flyback, related to its potential concerning the realization of the reduced redundant power ...
Interesterificação de óleo de soja para produção de ésteres metílicos de ácidos graxos catalisada por óxido de cálcio
(Universidade Federal de Santa Maria, 2018-08-02)
Price instability of fossil fuels and search for renewable energies have stimulated government
programs to increase the percentage of biodiesel in diesel. This biofuel is generally produced
by the transesterification ...
Estudo do comportamento à fadiga de misturas asfálticas aplicadas em campo por meio da teoria viscoelástica de dano contínuo
(Universidade Federal de Santa Maria, 2018-07-31)
The behaviour analisys of asphalt mixtures is extremely important in the paving cenarium, whose final objective is to improve the performance combined with resources saving. It is known that the fatigue cracking is the ...
Avaliação da iluminação natural de habitação multifamiliar de interesse social: Conjunto Residencial Videiras, Santa Maria, RS
(Universidade Federal de Santa Maria, 2018-08-27)
In the last few years, Brazil has experienced a considerable increase in the number of
buildings destined for the low-income population due to credit programs for housing
construction, in an attempt to reduce the large ...