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Estudo de caso em eficiência energética de um sistema de iluminação
(Universidade Federal de Santa Maria, 2017-07-14)
This paper aims to present Brazilian electrical power sector and its main regulators, conceptualizing the lighting systems, presenting their components and main used technologies. This paper also highlights the importance ...
Melhoria da eficiência energética no processo de rotomoldagem
(Universidade Federal de Santa Maria, 2017-07-29)
This study aims to improve the energy efficiency of a rotomolding process, optimizing the
consumption of electric energy and LPG (liquefied petroleum gas), maintaining the quality of
the manufactured parts. A research ...
Estudo de viabilidade do dimensionamento de cabos de baixa tensão pelo critério econômico
(Universidade Federal de Santa Maria, 2017-07-07)
The sizing of low voltage electrical conductors is usually based on the assumptions in the
standard ABNT NBR 5410: 2004 - Low Voltage Electrical Installations. Taking into account
that in this way will always be obtained ...
Lógica fuzzy para avaliação de eficiência energética em sistemas de irrigação de lavouras de arroz
(Universidade Federal de Santa Maria, 2017-03-24)
Energy efficiency plays an important role in electric power systems, since a small percentage increment in efficiency may lead to significant financial and energy savings. In agricultural-based economy countries, large ...
Metodologias para modelagem de cargas de consumidores de baixa tensão considerando a integração de resposta da demanda, geração distribuída e veículos elétricos
(Universidade Federal de Santa Maria, 2017-03-03)
Accurate load modeling is a crucial task in distribution systems expansion planning. Traditionally, the load peak, which is viewed as the worst-case scenario, has been used to quantify new investment requirements. However, ...
Modulação descontínua para conversores com pernas em paralelo magneticamente acopladas
(Universidade Federal de Santa Maria, 2017-03-10)
Aiming to contribute to modulation strategies for converters with magnetically coupled
parallel legs, a new strategy of discontinuous carrier modulation is developed for this class
of converters. To clarify the strong ...
Estudo comparativo entre semicondutores de silício e nitreto de gálio em circuitos de acionamento de leds
(Universidade Federal de Santa Maria, 2017-03-03)
This dissertation presents a comparative study about the performance of silicon (Si) and gallium nitride (GaN) semiconductors in drivers for light emitting diodes. Hereby, it is expected to provide the theoretical background ...
Avaliação de misturas asfálticas recicladas mornas com uso de ligantes convencional e modificado por polímero
(Universidade Federal de Santa Maria, 2017-03-30)
The growing concern with the environment, in recent years, awakens the study of new technologies in the field of paving. Less polluting technologies that minimize the degradation of the environment and that seek to meet ...
Estratégia de controle Volt/VAr Coordenado para sistemas de distribuição inteligentes
(Universidade Federal de Santa Maria, 2018-03-26)
This work presents contributions to the study and development of Voltage and
Reactive Power Control (Volt/VAr control or VVC) for intelligent distribution systems.
Currently, the use of VVC is considered one of the most ...
Análise dos serviços de tecnologia da informação para projeto de capacidade estratégica
(Universidade Federal de Santa Maria, 2017-03-31)
The Information Technology (IT) performs an important role in modern organizations and has became strategic to achieve their objectives. This role's change and the relevancy of IT determined the araising of the IT governance, ...