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Fundamentos para concepção, controle e automação de uma planta armazenadora de energia utilizando hidrogênio
(Universidade Federal de Santa Maria, 2017-02-20)
Electrical generation with renewable sources is intermittent due to the characteristics of the primary energy (sun, wind, run of water, etc.). This feature can cause fluctuations and distortions on the voltage levels ...
Controle ressonante aplicado a um DSTATCOM para a regulação de tensão de geradores de indução autoexcitados
(Universidade Federal de Santa Maria, 2019-08-02)
This master’s thesis presents contributions to the control applied to the voltage regulation of autonomous
microgeneration systems based on Self-Excited Induction Generators (SEIGs). The
generation system consists of a ...
Controlador MRAC-SM aplicado a um conversor QUASI-Z-SOURCE fotovoltaico conectado à rede monofásica
(Universidade Federal de Santa Maria, 2019-08-02)
This dissertation deals with the design and development of an Adaptive Control by Model
Reference (MRAC) structure together with a Sliding Mode (SM) controller through a simplified
first order reference model, neglecting ...
Sistema de controle para turbina eólica de eixo vertical
(Universidade Federal de Santa Maria, 2018-11-30)
This master thesis presents the development of a control system to vertical axis
wind turbine in order to harnessing its maximum performance. Vertical axis turbine
designs and how they could be integrated with urban area ...
Controle sem sensores mecânicos para gerador síncrono a ímã permanente
(Universidade Federal de Santa Maria, 2015-07-29)
This Thesis proposes sensorless vector control schemes that combine designed
observers in the discrete-time domain to estimate the rotor position and speed for a
permanent magnet synchronous generator of non-salient ...
Avaliação do impacto da microgeração fotovoltaica na rede de distribuição de energia elétrica
(Universidade Federal de Santa Maria, 2019-02-22)
The sources that make up the global energy matrix have been diversifying due to the emergence of
efforts to replace polluting sources with alternative sources such as wind, photovoltaic and biomass. In
Brazil, Normative ...
Análise estocástica de transitórios em subestações utilizando o método de Monte Carlo integrado ao ATP
(Universidade Federal de Santa Maria, 2016-04-26)
This work presents the development of a methodology that uses the resource foreign
model , offered by the Electromagnetic Transient Program (ATP-EMTP), in order to realize
electromagnetic transient stochastic simulations ...
Sistema multivariável para avaliação de desempenho e estabelecimento de limites de continuidade de fornecimento de energia utilizando a lógica fuzzy
(Universidade Federal de Santa Maria, 2012-07-13)
This Master s Dissertation presents the development of a methodology for
performance assessment and establishment of limits of power supply continuity using
Fuzzy Logic, including the processes of selecting variables ...
Modelo para a análise econômica e financeira em projetos para geração distribuída de energia com fontes alternativas
(Universidade Federal de Santa Maria, 2010-09-27)
The implementation of distributed generation (DG) offers many benefits to the society, the electrical sector where they operate, and the consumers connected to the network especially due to their electricity self-production. ...
Estudo e comparação de sistemas de acionamento para aplicações de alta potência e média tensão
(Universidade Federal de Santa Maria, 2010-08-24)
This Ph.D. Thesis proposes a comparison of modulation techniques, semiconductors devices technologies and topologies for multilevel inverters, in order to point out the multilevel drive system that presents the best ...