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Análise do impacto da manutenção em sistemas de distribuição de energia elétrica
(Universidade Federal de Santa Maria, 2017-03-01)
The new models of distribution concession contracts brought news to electric power concessionaires. By linking the renewal of concessions to the quality of service, in the midst of a period of national financial crisis, ...
Seleção multicriterial do tipo de minigeração distribuída usando casca de arroz
(Universidade Federal de Santa Maria, 2017-05-05)
The growing emphasis on conserving the environment associated with dependence on fossil fuels has stimulated the development and use of biomass as a source of renewable energy. Among the bioenergy alternatives is the rice ...
Metodologia para análise da influência de pequenas centrais de geração síncrona na margem de estabilidade de tensão
(Universidade Federal de Santa Maria, 2017-03-13)
The insertion of Distributed Generation has become a strong attraction due to its characteristic advantages, such as the reduction of losses in the energy transportation due to the lack of extensive transmission lines, ...
Otimização, seleção e apontamento de arranjos lineares de antenas através da técnica de otimização por enxame de partículas
(Universidade Federal de Santa Maria, 2017-02-24)
The Particle Swarm Optimization Technique has been widely studied by researchers,
since they act as a stochastic optimization process which can be applied in many areas, for
instance in electromagnetism. Researches have ...
Modelagem e comparação da potência elétrica e do coeficiente de potência de turbinas magnus segundo o comportamento dos perfis cilíndricos
(Universidade Federal de Santa Maria, 2017-02-20)
This thesis presents the model of Magnus turbines based on the forces produced by the cylindrical airfoils, resulting in the curves of net mechanical power and power coefficient, besides demonstrating the effects of the ...
Modelagem e controle do conversor DAB para interface entre banco de baterias e sistema elétrico de potência
(Universidade Federal de Santa Maria, 2017-08-07)
This Master's Dissertation presents the development of a Dual Active Bridge (DAB) converter for charging a battery bank, which is connected to a DC bus, which is connected to the electric power system by means of an inverter. ...
Impacto de diferentes coeficientes de assimetria em conversores multiníveis com uma fonte CC
(Universidade Federal de Santa Maria, 2017-03-03)
Multilevel converters operating with single dc source represent an interesting and
simple solution, since only an isolated voltage source is required, even in applications with
active power transfer. In this way, the ...
Otimização de fontes de alimentação de alto rendimento para nano satélites CubeSat 1U
(Universidade Federal de Santa Maria, 2017-02-17)
Não foi possível inserir o abstract.
Análise de modos e efeitos de falha aplicado a transformadores de potência
(Universidade Federal de Santa Maria, 2017-07-21)
This work presents a methodology that aims to provide technical-scientific support to expedite
the decision-making regarding the actions of predictive maintenance reinforcements, renewal
of power transformers, and ...
Repotencialização de sistemas de distribuição rurais monofásicos por meio de dois cabos aéreos e o solo como a terceira fase
(Universidade Federal de Santa Maria, 2017-02-24)
In Brazil and in several countries of the world, rural electrification projects were developed using the single-phase system. Due to the type of loads of rural consumers and their dispersed location. With the growth of ...