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Mostrando ítems 131-140 de 150
Aplicação de metodologia para determinação de índice de coordenação e seletividade de rede de distribuição com geração distribuída
(Universidade Federal de Santa Maria, 2024-03-06)
In recent years, the proliferation of distributed generation (DG) in distribution systems has increased significantly. However, protection schemes originally designed to operate with unidirectional energy flow can be ...
Metodologia para predição da autoextinção de arcos elétricos C.C. série em sistemas fotovoltaicos com conversores de potência
(Universidade Federal de Santa Maria, 2024-02-23)
This study proposes a methodology to predict the self-extinction of electric arcs occurring
in the series circuit between modules and power converters in photovoltaic systems, considering
the influence of control strategies ...
Acionamento e controle de movimentos de uma prótese mioelétrica de mão
(Universidade Federal de Santa Maria, 2024-01-18)
This thesis presents the steps for constructing a low-cost, open-source robotic prosthetic
hand controlled by artificial intelligence (AI) and driven by servomotors, aimed at the social
inclusion and labor market ...
Estudo e desenvolvimento de um módulo auxiliar de potência aplicado a veículos elétricos
(Universidade Federal de Santa Maria, 2024-02-23)
The APM is a DC-DC converter that is vitally important in an electric vehicle as
it feeds the low voltage battery from the high voltage batteries (traction batteries, which
commonly operate in the 400 V range) of the ...
Análise de desempenho de comunicação via rede LoRa para medição de energia elétrica em área urbana
(Universidade Federal de Santa Maria, 2024-02-16)
Recently, implementations of advanced metering systems for electricity have been verified
worldwide, enabling the generation of coverage models for long-range communication. Monitoring
the distribution of electric power ...
Potencial para produção de hidrogênio verde via eletrólise fotovoltaica da água para comunidades isoladas na Amazônia legal
(Universidade Federal de Santa Maria, 2024-01-09)
The increasing expansion in demand of the energy resources experienced in the last decades combined with the emission of tons of polluting gases in the atmosphere has raised concerns that society has never experienced ...
Plataforma para desenvolvimento e ensaios em tempo real de estações de recarga rápida de veículos elétricos
(Universidade Federal de Santa Maria, 2024-02-22)
Due to increasing concerns about the environment and the decarbonization policy adopted
by some countries, the number of electric vehicles is increasing. As a consequence,
this translates into an increase in the need for ...
Análise e validação experimental de um modelo de transformador de potência para estudos de transitórios eletromagnéticos de alta frequência
(Universidade Federal de Santa Maria, 2024-04-27)
The present study introduces a methodology for constructing a computational model of power
transformers within the scope of high-frequency electromagnetic transients studies. These transient
events are investigated as ...
Método para detecção de falta de arco elétrico serie no lado CC de sistemas fotovoltaicos
(Universidade Federal de Santa Maria, 2024-02-16)
With the growth of photovoltaic (PV) installations, there is an associated increase in the risk
of fire due to faults on the DC side. In this context, this work proposes and implements
an algorithm based on Wavelet Packet ...
Modernização dos sistemas de propulsão, geração e alimentação da viatura Leopard 1 A5 utilizando células a combustível
(Universidade Federal de Santa Maria, 2024-03-04)
The electrification of passenger vehicles, which has already reached commercial levels, has brought about significant changes in usage, supply, maintenance, and lifecycle compared to Internal Combustion Engine-powered ...