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Sistema de projetos otimizados de conversores estáticos (POCE) usando algoritmos genéticos
(Universidade Federal de Santa Maria, 2017-03-27)
Nowadays, there is a growing need for rational and efficient use of energy generated, be it traditional or renewable sources. Power electronics performs the interface between generation and consumption, allowing explore ...
Inversores fotovoltaicos conectados à rede com armazenamento de energia – classificação, recomendações técnicas e gerenciamento
(Universidade Federal de Santa Maria, 2017-03-08)
Grid-connected photovoltaic systems with energy storage have features of conventional gridconnected
inverters and uninterruptible power supplies. In these systems, all elements, which
include photovoltaic generator, ...
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 ...
Sistema neural artificial para identificação de perdas não técnica em consumidores rurais
(Universidade Federal de Santa Maria, 2018-12-19)
Non-technical losses have a significant impact on power distribution networks, and they are among the major concerns of the agents involved in power systems. Particularly in rural distribution networks, consumers with crop ...
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 ...
Análise de transformador piezelétrico radial utilizando disco de eletrodo seccionado para conversor Half-Bridge
(Universidade Federal de Santa Maria, 2015-08-27)
This work presents an analysis of a Piezoelectric Transformer (TP), showing the main types of devices, characteristics, operation modes, among others important points. The parameters of Mason Classic Model are determined ...
Projeto e desenvolvimento de fontes auxiliares para transformadores de estado sólido
(Universidade Federal de Santa Maria, 2015-08-31)
This master thesis presents the development of an auxiliary power supply to provide energy to sensors, gate drivers, instrumentation circuits and control of a three-stage Solid State Transformer (SST). These devices require ...