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Itens para a visualização no momento 11-20 of 31
Contribuição ao estudo do conversor multinível híbrido em cascata monofásico empregado na interface entre fonte fotovoltaica, banco de baterias e rede elétrica.
(Universidade Federal de Santa Maria, 2017-08-30)
This master thesis presents an energy management strategy in order to eliminate power fluctuations
from a photovoltaic source through a single-phase cascade hybrid multilevel grid-tie
converter associated with a battery ...
Análise comparativa de inversores multiníveis com células H-bridge conectadas em série
(Universidade Federal de Santa Maria, 2006-04-20)
This Master Thesis presents a methodology to compare different topologies and configurations of multilevel systems applied to drive medium voltage induction motors. Initially, it presents the input and output parameters ...
Análise estática normalizada e modelagem de pequenos sinais do conversor classe-e utilizando transformadores piezoelétricos
(Universidade Federal de Santa Maria, 2011-08-04)
Piezoelectric transformers (PTs) allow the design of promising power supply applications, increasing
efficiency, reducing size, facilitating the achievement of high transformation ratio, besides providing
high immunity ...
Metodologia de otimização de conversores estáticos com paralelismo de células boost aplicado à célula a combustível
(Universidade Federal de Santa Maria, 2019-02-28)
This thesis presents an optimized design methodology for non-isolated static converters with Nboost
cells in parallel, that process energy between a renewable energy source and a DC bus. The
method scans for the best ...
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 ...
Desenvolvimento de conversores estáticos para sistemas fotovoltaicos autônomos
(Universidade Federal de Santa Maria, 2007-07-12)
This work presents a new energy conditioning system for application in stand-alone photovoltaic systems with battery bank. Firstly, the characteristics of solar photovoltaic energy, the modeling of a photovoltaic cell and ...
Estudo e desenvolvimento de uma fonte CA de potência híbrida baseada em conversor multinível modular
(Universidade Federal de Santa Maria, 2013-08-30)
This Master Thesis presents an AC Power Source (ACPS) study contribution through the
proposal, design and implementation of a novel hybrid ACPS topology. In general, the
proposed hybrid topology is defined from the series ...
Sistema fotovoltaico autônomo utilizando configuração multi-string e inversor multinível
(Universidade Federal de Santa Maria, 2011-08-11)
The continuous economic development of many countries and the emerging environmental
issues (gas emissions and the greenhouse effect) observed in the last decades forced an intense
research in renewable energy sources. ...