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Análise da estabilidade e controle de conversores CC-CC conectados em cascata
(Universidade Federal de Santa Maria, 2020-08-28)
The need to use renewable energy sources has driven the use of distributed energy generation systems. This type of system is formed by several interconnected stages that can consist of filters, converters, inverters, among ...
Análise da tensão do ponto neutro para o inversor ANPC de três portas: uma abordagem vetorial
(Universidade Federal de Santa Maria, 2020-10-08)
The ANPC topology with secondary bi-directional DC port (ANPC-3P) allows the connection
of energy storage systems (ESS) directly to the topology on a secondary DC port, assigning an
additional task to the inverter. In ...
Uma arquitetura de comunicação com mecanismos para atendimento dos requisitos das redes elétricas inteligentes rurais
(Universidade Federal de Santa Maria, 2020-02-19)
The current transformation scenario in power distribution networks signals the need for alternative solutions in communication systems employed in making them intelligent. As a premise, these alternatives should be easy ...
Desenvolvimento de uma metodologia para automatização dos processos de manobra em redes de distribuição de energia elétrica utilizando algoritmos evolutivos
(Universidade Federal de Santa Maria, 2020-02-11)
The present work approaches the Service Restoration Problem in electrical distribution networks.
Therefore, a multi-objective evolutionary algorithm is developed considering the total de-energized
load, the number of ...
Metodologia para previsão da durabilidade e eficiência de geração fotovoltaica em suas diferentes topologias
(Universidade Federal de Santa Maria, 2020-02-28)
The growth in demand for electricity and the search for sustainable sources of electricity put photovoltaic generation (PV) as one of the main alternatives. Taking into account that PV panels are used to generate electrical ...
Análise dos impactos dos veículos elétricos nos sistemas de distribuição considerando o modo V2G e o transporte de energia
(Universidade Federal de Santa Maria, 2020-02-27)
The aim of this master’s dissertation is to evaluate the insertion of electric vehicles (EVs) in a Distribution System through its energy charging and discharging modes. Motivated by the expansion of the EVs market and the ...
Circuito de acionamento de chaves semicondutoras de potência empregando transformador piezoelétrico
(Universidade Federal de Santa Maria, 2020-10-15)
This thesis presents a proposal for a gate-driver system, for MOSFET and IGBT power semiconductor devices, which uses a piezoelectric transformer in the power circuit and communication channel. Thus, a bibliographical ...
Projeto de um nó LoRaWAN híbrido com repetidor embutido de baixo custo e baixo consumo de energia
(Universidade Federal de Santa Maria, 2020-09-23)
The Internet of Things (IoT) is a theme that has grown a lot, with this the LPWAN (Low
Power Wide Area Network) has gained space in the telecommunications market. In this
market related to IoT, the LoRa technology has ...
Implantação e avaliação de infraestrutura avançada de medição de energia em uma instituição pública
(Universidade Federal de Santa Maria, 2020-02-14)
The electricity distribution system is becoming more complex, when compared to the transmission
and generation ones. However, the arrival of new technologies, such as distributed
generation and smart electricity grids, ...
Sistema autônomo de sensoriamento remoto espaço-temporal do céu por imagens e sua aplicação em sistemas distribuídos de energia.
(Universidade Federal de Santa Maria, 2020-12-17)
Cloud cover instability is the main impact and uncertainty factor on the forecast of energy generated in photovoltaic systems. Establishing reliable metrics for large-scale photovoltaic (PV) power forecasting models while ...