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Estudo, análise e projeto de sistemas magnéticos aplicados a conversores estáticos
(Universidade Federal de Santa Maria, 2020-02-10)
Given that the volumetric design of transformers and inductors is directly connected to losses, the correct prediction of these is fundamental for their optimization. With this vision, this work presents techniques for the ...
Conversores CC–CC bidirecionais para regulação série de tensão aplicados em sistemas fotovoltaicos
(Universidade Federal de Santa Maria, 2020-02-27)
This work provides some conceptual and practical contributions about the use of DC–DC power
converters connected as step-up/down series voltage regulators in string or multi-string architectures
of grid-tie photovoltaic ...
Modelo de cálculo de perdas por comutação e método de seleção de tecnologias de transistores FET aplicados a conversores estáticos
(Universidade Federal de Santa Maria, 2020-02-07)
This dissertation presents an analytical model to assist in the calculation of switching losses and
a methodology for selecting MOSFETs that with breakdown voltages greater than 100 V. The
model was developed based on ...
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 ...
Conversor boost com indutor acoplado de arranjo diferencial com grampeador ativo com comutação em zero de tensão
(Universidade Federal de Santa Maria, 2022-07-27)
The population grouth and technological development led to increasing energy
demand in the world, which leads many countries to look for fossil fuels to meet the
increasing energy damand in the world. The use of fossil ...
Contribuição à família de conversores CC-CC bidirecionais buck/boost
(Universidade Federal de Santa Maria, 2022-07-17)
With the search for clean renewable energies and the growing of the greenhouse
gases, there is an increase in the number of electric vehicles and own generation. As most
renewable energies are naturally in DC the best ...
Desenvolvimento de um carregador para veículos elétricos leves utilizando dispositivos de Wide Bandgap
(Universidade Federal de Santa Maria, 2022-07-14)
This master thesis presents the development of a light electric vehicles charger using Wide-Bandgap (WBG) devices. The developed charger is composed of two stages, one rectifier (AC-DC converter), with input current power ...
Síntese e comparação de uma família de conversores CC-CC com indutores acoplados de três enrolamentos
(Universidade Federal de Santa Maria, 2023-07-12)
Não possui abstract.
Plataforma hardware-in-loop para ensaios automatizados de inversores conectados à rede em múltiplos ambientes e condições de operação
(Universidade Federal de Santa Maria, 2023-07-27)
With the increasing demand for renewable energy sources, the use of inverters in power systems
has rapidly grown. To ensure the safety and efficiency of inverters, it is necessary to test
them under a variety of operational ...
Plataforma para testes de leis de controle de inversores conectados à rede utilizando hardware-in-the-loop
(Universidade Federal de Santa Maria, 2023-08-23)
The use of inverters in power systems has experienced rapid growth due to the advancement of
renewable energy sources. Improving these devices is essential to ensure compatibility and integration with other systems, as ...