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Controle supervisório aplicado a sistemas fotovoltaicos autônomos com topologia multi string
(Universidade Federal de Santa Maria, 2010-03-05)
This master thesis analyses and implements a stand-alone photovoltaic system based on decentralized Multi String topology. The proposed system is composed of a set of DCDC
converters linked to the PV arrays of panels, ...
Controle por modos deslizantes aplicado a um DSTATCOM utilizado em sistemas com gerador de indução autoexcitado para compensação de harmônicos e desbalanceamento
(Universidade Federal de Santa Maria, 2018-02-23)
This dissertation aims to present the design of a distribution synchronous static
compensator (DSTATCOM) control system applied to the voltage regulation and harmonic
and unbalanced load currents compensation in self ...
Aproveitamento de energia vertida turbinável para produção de hidrogênio e geração distribuída
(Universidade Federal de Santa Maria, 2011-01-24)
In many hydroelectric power plants, while the water inflows are greater than demand, part of this water that could be used to generate energy is spilled by the dam gates and literally wasted. This dissertation discusses ...
Análise de topologias para lâmpada bulbo led utilizando dispositivos semicondutores de nitreto de gálio operando em 1MHz
(Universidade Federal de Santa Maria, 2018-08-31)
This paper presents the losses and efficiency evaluation to three different topologies. This paper
goals are evaluating the losses percental related to the semiconductors devices, Gallium Nitride (GaN). This paper presents ...
Análise do cenário mundial do VE e os desafios da sua inserção na matriz energética brasileira
(Universidade Federal de Santa Maria, 2016-03-18)
This work aims to analyze the current situation of electric vehicles in the world, considering the factors that assisted their insertion in the world market and the public policies that are used to encourage this technology. ...
Desenvolvimento de um software pré-processador gráfico para análise de transitórios em subestações
(Universidade Federal de Santa Maria, 2016-03-22)
The following work presents a graphical pre-processor software as an alternative version of
the Electromagnetic Transients Program (ATP-EMTP). It was developed to aid in the analysis
of electromagnetic transients in power ...
Estimadores de frequência aplicados a sistemas elétricos de potência
(Universidade Federal de Santa Maria, 2013-03-08)
The frequency estimation is a problem widely studied in many fields including electric power systems. Several methods have been proposed for this purpose, and most of them perform well when the signal is not distorted by ...
Otimização do projeto de transformadores de distribuição que empregam núcleo amorfo e óleo vegetal isolante.
(Universidade Federal de Santa Maria, 2015-08-27)
This paper presents a methodology for optimizing the distribution transformers project, considering the capitalized cost, employing concurrently in your project amorphous core and insulating vegetable oil. The use of ...
Metodologia para classificação e tratamento de eventos especiais
(Universidade Federal de Santa Maria, 2015-08-21)
The electric utilities seek alternatives to permanently improve the contents of continuity of electricity, employing efforts for increasingly sophisticated alternatives and applying new methodologies in this area. The need ...
Otimização do rendimento do conversor DAB aplicado ao transformador eletrônico
(Universidade Federal de Santa Maria, 2015-08-27)
This work developed a deep investigation about different three level three level
modulation patterns that the DAB converter can operate, and the impact of these different
patterns over the converter power flow and ...