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Análise de paralelismo para reconfiguração de redes de distribuição com geração distribuída usando software ATPDraw
(Universidade Federal de Santa Maria, 2015-08-24)
Improving Distribution Systems has been strongly driven by advances in automation and network data collection. This is reflected in improvements in quality of service and product, and reliability in service to consumers ...
Desenvolvimento de transformador de distribuição de elevada eficiência e reduzida relação peso/potência empregando núcleo amorfo e óleo vegetal isolante
(Universidade Federal de Santa Maria, 2015-03-12)
The high amount of transformers connected to the Brazilian distribution system justifies the works and studies performed in order to improve the efficiency of these equipment. Any progress represents a significant improve ...
Seleção de fungos filamentosos para produção de ácidos graxos poli-insaturados
(Universidade Federal de Santa Maria, 2015-08-07)
In this work, 150 fungal strains isolated in the Pampa biome were evaluated for. The microbial oil was produced by submerged fermentation in shaken flasks at 120 rpm, 28 °C for 7 days. The lipids were extracted from cells ...
Síntese de ferrita de zinco (ZnFe2O4) por diferentes rotas e seu uso na reação heterogênea de foto-fenton.
(Universidade Federal de Santa Maria, 2015-02-20)
In this work, zinc ferrite oxide was performed (ZnFe2O4) was synthesized by the solvothermal conventional method and the microwave-assisted solvothermal route. The influence of different synthesis as well as their variables ...
Modelagem para a mensuração do desempenho de linhas de produção para indústrias frigoríficas
(Universidade Federal de Santa Maria, 2015-03-05)
measuring their performance possible, these days, to get a more accurate reflection
of reality found in relation to the environment in which it is inserted. Against this
backdrop, this paper aims to propose a model for ...
Estimativa de chuvas intensas no Rio Grande do Sul a partir das relações genéricas de Bell e Chen
(Universidade Federal de Santa Maria, 2015-04-27)
The knowledge of the relationship between intensity-duration-frequency (IDF relationship) of intense rainfall is of enormous importance for the design of engineering works. However, the availability of this data is limited, ...
Estudo do comportamento viscoelástico de concretos asfálticos convencionais e modificados através de ensaios de laboratório e de análise de desempenho
(Universidade Federal de Santa Maria, 2015-08-19)
Road transport is of great importance for many countries, in Brazil it can be even more extreme, by excessive movement of cargo through this modal. We know that the maintenance costs of roads are high, forcing researchers ...
Empreendedorismo e inovação: a influência das startups no crescimento econômico
(Universidade Federal de Santa Maria, 2015-06-08)
Innovation has been one of the main actors at the world economic scenario, serving as basis of growth and sustainability of the strongest economies around the globe. The technology evolution has help researchers in the ...
Estudo da alça de vazão reduzida da UHE Passo São João - RS como possível área de reprodução da ictiofauna migratória
(Universidade Federal de Santa Maria, 2015-01-23)
Ecological corridors play a key role in the ecosystem. The fragmentation of these systems often causes environmental destabilization, provoking direct impacts on associated biodiversity. One of the main reasons of fragmentation ...
Controle por modos deslizantes e observador de distúrbios aplicados ao motor síncrono de ímãs permanentes
(Universidade Federal de Santa Maria, 2015-08-20)
This master thesis proposes a current control technique based on sliding mode strategy
and disturbance observer for high-performance drive applied to permanent magnet
synchronous motors and can be extended to other ...