Search
Now showing items 381-390 of 437
Análise comparativa da energia injetada na rede por inversores módulos CA utilizados em sistemas fotovoltaicos
(Universidade Federal de Santa Maria, 2013-05-29)
This Master's Dissertation aims to compare two topologies of AC Module converters, applied in photovoltaic systems. The principles of operation, the characteristic equations, the parameters found are detailed for both ...
Reconfiguração de redes de distribuição considerando multivariáveis e geração distribuída
(Universidade Federal de Santa Maria, 2014-02-28)
The new design of electric power system, called Smart Grid, has emerged as a new challenge
especially for power distribution networks, which need to promote greater functionality such
as real-time monitoring of the ...
Modelagem e controle de um reator eletrônico para lâmpadas HPS baseado na conexão diferencial de conversores CC
(Universidade Federal de Santa Maria, 2012-02-28)
This paper presents the development of an electronic ballast for high intensity discharge lamps, using the differential connection technique applied to Flyback converters. The power factor correction stage was implemented ...
Estratégias de controle de corrente e amortecimento ativo para conversores conectados à rede elétrica
(Universidade Federal de Santa Maria, 2023-03-01)
This work presents contributions in two topics about the control of grid-tied inverters. The
first one deals with active damping in inverters with LCL filter by developing a technique
called Hybrid Active Damping. This ...
Metodologia para planejamento e análise de microrredes de estações de recargas rápidas considerando indicadores net zero energy building
(Universidade Federal de Santa Maria, 2023-03-22)
The global goals defined for the reduction of the emission of Greenhouse Effect Gases
(GHG) aiming to prevent the increase in the terrestrial temperature until the end of this
century pass through the decarbonization of ...
Método de controle e supervisão para grupos motores geradores com velocidade variável
(Universidade Federal de Santa Maria, 2013-02-27)
Motor generator sets are widely used to generate electricity in case of grid failure or to
supply part of the demand for commercial and industrial consumers. The vast majority of
motor generator sets work with constant ...
Identificação de região de defeito em redes elétricas de distribuição por meio do processamento de alarmes do sistema de supervisão, controle e aquisição de dados
(Universidade Federal de Santa Maria, 2022-01-26)
The electricity distribution system is an economic indicator, and its quality and continuity are an important factor. At the same time, networks are constantly evolving to improve their functionality, clear examples of ...
Projeto e validação experimental de um controlador robusto H2 aplicado a conversores Boost
(Universidade Federal de Santa Maria, 2011-07-25)
This dissertation presents as the main contribution the design and experimental
validation of a robust H2 controller applied to boost converters with variations on the
parameters load resistance, input voltage and operating ...
Metodologia para despacho de fontes de GD a biogás em redes de distribuição utilizando lógica fuzzy
(Universidade Federal de Santa Maria, 2012-03-19)
The aim of this work is determine the most appropriated period for connection of a
particular generation source fueled by biogas on a distribution network. The biogas is
produced through anaerobic reactions that occur ...
Estudo e implementação de uma luminária de iluminação pública à base de LEDs
(Universidade Federal de Santa Maria, 2013-02-18)
This work presents a study for the design and implementation of a LED Street
light Luminaire. It shows the necessary characteristics for the proposed fixture replace
the traditional models with High Pressure Sodium lamps ...