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Circuitos de acionamento para lâmpada LED tubular utilizando conversores a capacitor chaveado
(Universidade Federal de Santa Maria, 2017-08-11)
This work presents the design, simulation and experimental development of a topology using switched capacitor to feed a LED lamp to street lighting. The designed and tested circuits aim to feed a LED tubular lamp with power ...
Aplicação dos métodos AHP e fuzzy TOPSIS em incubadoras de empresas
(Universidade Federal de Santa Maria, 2017-08-29)
Given the importance of the process of organizational analysis and decision making, as a way to optimize results and to face business competitiveness, business incubators appear as promoters and executors of advisory ...
Uma análise empírica do índice carbono eficiente (ICO2) no mercado financeiro brasileiro
(Universidade Federal de Santa Maria, 2018-03-09)
The need to stimulate productive practices aimed at the transition from an intensive economy in the use of fossil fuels to a low-carbon economy, is an essential factor capable of reducing the negative externalities of the ...
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 ...
Heurística matemática para resposta emergencial no sistema de distribuição de energia elétrica com ilhamento imprevisto
(Universidade Federal de Santa Maria, 2018-02-23)
The main objective of the electric power utility is the uninterrupted supply of energy,
however, this is not always possible due to the actions of nature, or even from equipment
or human failures. These interruptions are ...
Concepção e desenvolvimento de um sistema eletrônico baseado em diodos emissores de luz para simulação de espectro
(Universidade Federal de Santa Maria, 2017-07-18)
This master thesis presents the conception and development of a lighting system based on lighting emitting diodes (LEDs) capable of accurately reproducing light spectra. The main motivation of this work is the development ...
Modelo de gestão integrada para o desenvolvimento de projetos em um grupo de pesquisa
(Universidade Federal de Santa Maria, 2017-07-14)
Academic research groups are organizations that work constantly on the preparation of research projects that result in monographs, dissertations, theses, articles, intellectual property registries, among others, being ...
Método para estimação da distância de faltas de alta impedância em redes de distribuição de energia elétrica considerando diferentes tipos de solo
(Universidade Federal de Santa Maria, 2017-06-30)
This work proposes a time-domain methodology to locate high impedance faults in overhead distribution systems. One of the innovative aspects of the method is the proposition of a single mathematical model to represent the ...
Projeção da difusão de sistemas fotovoltaicos em consumidores residenciais de baixa tensão
(Universidade Federal de Santa Maria, 2018-03-19)
Aiming at maximizing the potential growth of Distributed Generation for the
residential market, the National Agency of Electrical Energy published the normative
resolutions that establishes the general terms for connection ...
O uso dos métodos quantitativos no custeio variável: aplicação em uma fábrica de rações.
(Universidade Federal de Santa Maria, 2018-03-02)
This research aims to integrate mathematical models to anticipate, in the short term, the demonstration of results by variable costing and to apply cost-fullness-profit analysis to generate subsidies in planning, control ...