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Análise e projeto de uma topologia de dois estágios otimizada aplicada à iluminação pública com leds
(Universidade Federal de Santa Maria, 2012-07-10)
This work presents the analysis and implementation of a connection between two power converters, applied to street lighting with LEDs. This connection is called optimized
cascade. The main idea of this connection is the ...
Análise e projeto do conversor buck intercalado para alimentação de lâmpadas de descarga em alta pressão de alta potência
(Universidade Federal de Santa Maria, 2012-02-29)
This work presents a detailed analysis about the interleaved buck converter applied
to electronic ballasts to supply high power HID lamps, assuming the input voltage as a
PFC stage output.
As the output capacitor has a ...
Projeto e desenvolvimento de um sistema de gerenciamento remoto sem fio aplicado a iluminação
(Universidade Federal de Santa Maria, 2012-08-17)
Today's light sources are expanding the application field of lighting systems for decorative,
commercial and artistic purposes, in many areas, such as parks, gardens or parking.
This paper presents the development of a ...
Análise e projeto do sistema de controle de um módulo de potência com conversores em cascata aplicado a transformadores de estado sólido
(Universidade Federal de Santa Maria, 2016-07-29)
This master thesis present the analysis of a power module with cascaded converters
applied to solid state transformers. The power module is built by an AC-DC input stage,
constituted by full-bridge topology, an DC-DC ...
Impacto técnico e econômico da energia solar fotovoltaica em prédios públicos através de geração distribuída
(Universidade Federal de Santa Maria, 2016-03-28)
Photovoltaic solar energy (PV) grows exponentially, since 2012 reaching levels of over 100 GWp installed worldwide. In this area the Brazilian industry just awakened through auctions, mainly aimed to Distributed Generation ...
Sistema automatizado para ensaio de inversores fotovoltaicos conectados à rede em acordo com normatização brasileira
(Universidade Federal de Santa Maria, 2016-08-03)
This document aims to develop an automated test platform for grid-connected photovoltaic inverters.
Therefore, it was conducted a study of European, North American and Brazilian standards related in
order to compare the ...
Fonte ininterrupta de energia trifásica de alto desempenho sem transformador com dupla funcionalidade do estágio de entrada e sistema de controle digital
(Universidade Federal de Santa Maria, 2016-07-21)
This master s thesis proposes a three-phase transformerless double-conversion UPS with digital control system and reduced overall cost. The topology is composed of an input stage, a battery bank, an inverter, an auxiliary ...
Circuito auxiliar para equilíbrio da tensão e redução da corrente do ponto central do barramento CC aplicado a uma UPS sem transformador
(Universidade Federal de Santa Maria, 2016-07-21)
This work proposes the use of an auxiliary circuit to perform the voltage balancing and reduce the low frequency currents of the DC Bus center point of a three-phase transformerless UPS. The Bus voltage unbalance may occur ...
Desenvolvimento de um sistema de aquisição de dados e monitoramento para o diagnóstico de centrais de geração fotovoltaica
(Universidade Federal de Santa Maria, 2016-07-27)
This master thesis presents a data acquisition and monitoring system for photovoltaic solar generation
plants. The energy produced by photovoltaic systems depends on several factors, such
as: array settings, weather ...
Metodologia detalhada para rastreadores solares automatizados de dois eixos em sistemas fotovoltaicos
(Universidade Federal de Santa Maria, 2016-09-06)
The search for diversity of energy sources in the world is one of the challenges that are driving
research to fill this demand with alternative energy sources. So we have the need to explore
alternative and renewable ...