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Avaliação da qualidade de energia e performance de potência de turbinas eólicas conectadas à rede elétrica
(Universidade Federal de Santa Maria, 2010-02-22)
This master thesis describes a system capable of real-time characterization of power performance and power quality of wind turbines, based mainly on the IEC 61400-21 and IEC 61400-12-1 standards. To verify the performance ...
Aspectos técnicos e operacionais do uso de microturbinas conectadas aos sistmas elétricos para geração distribuída de energia
(Universidade Federal de Santa Maria, 2010-06-16)
The considerable increase in energy demand has increased the interest in reducing costs, improving reliability, quality and stability of power generation systems. The connection of distributed generation (DG) can be used ...
Desenvolvimento de metodologia do projeto do reator eletrônico auto-oscilante com entrada universal
(Universidade Federal de Santa Maria, 2010-01-14)
This work presents the design and analysis of an electronic system with universal input to supply a fluorescent lamp. The system includes a self-oscillating electronic ballast and an additional circuit which allows keeping ...
Desenvolvimento de uma fonte de potência CA para geração de formas de onda de até 2kHz
(Universidade Federal de Santa Maria, 2010-07-30)
This work presents the development of an alternating current power source with a single-phase full bridge voltage inverter, based on electronic switches. The source is designed to drive electromechanical and electric plants. ...
Utilização da metodologia ahp para alocação de equipamentos telecomandados em sistemas de distribuição para melhoria da confiabilidade
(Universidade Federal de Santa Maria, 2010-09-22)
In power utilities the subject reliability is a permanent worry. In this new context, some solutions have been developed and researched to an alternative to improve the performance on service restoration when there are ...
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, ...
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. ...