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Itens para a visualização no momento 21-30 of 144
Modelagem e simulação computacional de transformadores de potência para estudo de transitórios em altas frequências
(Universidade Federal de Santa Maria, 2016-08-18)
This paper presents a proposed the modeling of power transformers for high-frequency electromagnetic transients. The application of this model allows the evaluation of the windings behavior against the voltage surges imposed ...
Metodologia para reposição de serviço e gestão de carga em microrredes inteligentes
(Universidade Federal de Santa Maria, 2016-08-31)
This work presents the development of a methodology to service replacement and management loads in islanded smart grid by load shedding, supported by Distributed Generation, to avoid or reduce violations of continuity ...
Análise e controle de um conversor CA-CC com elevado ganho de tensão aplicado a um sistema de geração de micro-ondas
(Universidade Federal de Santa Maria, 2016-07-28)
This master thesis performs the analysis and design of an AC-DC converter with high voltage
gain to be used to supply a magnetron in a microwave generation system. The converter topology
is chosen so as to enable input ...
Monitoramento hidrossedimentométrico e avaliação de métodos de cálculo da descarga sólida total no Rio Vacacaí Mirim
(Universidade Federal de Santa Maria, 2016-07-04)
The monitoring of flood events provide the study of the flow generated during the rains, as well as the production and sediment transport in rural and urban watersheds providing monitoring data for future applications. The ...
Sistema eletrônico de alto fator de potência com entrada universal e controle de intensidade luminosa para o acionamento de leds
(Universidade Federal de Santa Maria, 2016-12-23)
This master thesis presents the development of a 100 W LED driver, suitable for outdoor and street lighting. In
order to match the driver and LED features, special functionalities are added to the electronic system. To ...
Comportamento de misturas asfálticas tipo camada porosa de atrito (CPA)
(Universidade Federal de Santa Maria, 2016-12-13)
Road transport is extremely important for the development of Brazil and the increasing vehicular traffic
in the transport of people gives an excessive dependence on roads. The quality of the road network of
the country ...
Priorização da manutenção em subestações com foco na confiabilidade e na remuneração da função transmissão
(Universidade Federal de Santa Maria, 2016-11-21)
Transmission companies, in Brazilian electricity sector, are paid by the facilities available to the National Interconnected System - SIN. The different equipment on the transmission system are subject to the occurrence ...
Programação inteira binária aplicada na coordenação da proteção de sistemas elétricos de potência
(Universidade Federal de Santa Maria, 2016-09-30)
This paper presents an innovative approach to coordinate typical protection devices of transmission, subtransmission and distribution systems – fuse links and functions ANSI 21, 67, 87, 50 and 51. The settings obtained by ...
Cooperação das áreas funcionais no processo de desenvolvimento de máquinas agrícolas
(Universidade Federal de Santa Maria, 2016-11-17)
The competitive capacity within a certain sector, is the determining factor in determining whether a company has the potential to continue in the market or not. In this sense, the agricultural machinery sector, seeking to ...
Variáveis de projeto e sua influência no desempenho e dimensionamento de reservatórios de aproveitamento de água da chuva
(Universidade Federal de Santa Maria, 2016-12-15)
Rainwater harvesting (RWH) for non-potable use in buildings are a widespread practice around the world. The reservation is the item with the greatest variability in the RWH system design. The reservoir volume must be ...