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Browsing Mestrado em Engenharia Elétrica (Dissertações) by Title

Browsing Mestrado em Engenharia Elétrica (Dissertações) by Title

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  • Seta, Felipe da Silva; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4497667A2 (Universidade Federal de Juiz de ForaBrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2015-08-10)
    The present work proposes a methodology to solve the problem of optimal reconfiguration of power distribution systems by using a more realistic representation of uncertain parameters. The objective is to evaluate the ...
  • Mendonça, Thiago Ribeiro Furtado de; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4294594T3 (Universidade Federal de Juiz de ForaBrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2015-07-13)
    Due to the growing demand for energy provided in a more reliable way, several control, protection and monitoring methodologies are been developed. For this reason it is of great importance the utilization of appropriate ...
  • Beneteli, Tatianna Aparecida Pereira; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4430757Y2 (Universidade Federal de Juiz de ForaBrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2015-08-21)
    This work proposes a multiphase optimal power flow methodology for limiting imbalances of terminal voltages and currents required or injected into three-phase rotating machines, generators or motors, with special application ...
  • Pereira, Michelle Soares; http://lattes.cnpq.br/ (Universidade Federal de Juiz de ForaBrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2015-05-29)
    This work focuses on analyses of cooperative protocols to enhance the performance of in-home power line communication (PLC) systems based on a data set consisting of measurements of in-home PLC channels. The discussed ...
  • Monteiro, Henrique Luis Moreira; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4366279J9 (Universidade Federal de Juiz de ForaBrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2014-02-17)
    The harmonic and interharmonic components calculation is usually performance by using the FFT ( Fast Fourier Transform). However, through the use of this tool, some problems may arise due the fact that the original signal ...
  • Carvalho, Alexandre Lima de; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K8282634H6 (Universidade Federal de Juiz de ForaBrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2014-12-01)
    In this dissertation several analyzes are presented and a solution to the problem encountered in the distribution network at 13.8 kV railway MRS network, which is related with the presence of high capacitive reactive in ...
  • Schettino, Hugo Viveiros; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4384135D5 (Universidade Federal de Juiz de ForaBrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2016-02-26)
    This work investigates the use of finite impulse response (FIR) and infinite impulse response (IIR) digital filters to separate the signals belonging distinct clusters in a clustered orthogonal frequency division ...
  • Resende, Diogo Soares; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4430205Y9 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2016-09-01)
    This thesis proposes a computacional tool for synthesis and analysis of protection in electricity subtransmission and distribution systems in presence of imbalances. Such systems, in particular distribution, are generally ...
  • Oliveira, Lucas Vitor Fonseca de; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4210025U0 (Universidade Federal de Juiz de ForaBrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2012-03-30)
    With the legal opening for private investments in the Brazilian energy sector in the 90's, in particular the systematic implementation of auctions for defining power transmission concessions, several studies were made with ...
  • Dias, Marcelo Paschoal; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4484205A2 (Universidade Federal de Juiz de ForaBrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2012-08-29)
    This work is mainly focused on the evaluation of the use of a low-frequency and low-cost converter intended to drive light emitting diodes employed in low power lighting fixtures. The proposal considers at first a high ...
  • Dornelas, Tony Igor; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4331403D9 (Universidade Federal de Juiz de ForaBrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2015-02-26)
    The Neutrinos-Angra project aims at developing an anti-neutrino detector where the main proposal is to measure the dissipated power of nuclear reactors, in particular, the reactor of Angra II, located in Angra do Reis, ...
  • Silva, Frederico Tassi de Souza; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4430148D7 (Universidade Federal de Juiz de ForaBrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2016-03-11)
    This work proposes a method for solving radial distribution systems expansion problems, making a multi-purpose analysis that includes the allocation of new substations, reconditioning of existing substations and sizing ...
  • Alves, Guilherme de Oliveira; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4981226Z3 (Universidade Federal de Juiz de ForaBrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2015-09-18)
    This work aims at presenting a new methodology for static state estimation in electric power distribution systems which estimates the branch currents as state variables using voltage measurements and current phasor branch ...
  • Diniz, Tamara Oliveira; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4357850T1 (Universidade Federal de Juiz de ForaBrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2015-08-28)
    In this work we developed a methodology for the detection of single-phase fault impedance in the medium voltage distribution systems and the impact is assessed using different types of equipment in the performance of the ...
  • Santos, Thiago Senra dos; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4435273U7 (Universidade Federal de Juiz de ForaBrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2012-08-27)
    This work proposes the development of a continuation power flow technique (FPCQ) for unbalanced distribution systems. The proposed tool allows the explicit representation of the neutral cables and grounding, the ...
  • Loureiro, Pedro da Cruz; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4449476T8 (Universidade Federal de Juiz de ForaBrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2012-04-16)
    In this work, an artificial neural network-based static var compensator tuning is proposed for voltage and harmonic distortion control. Due to intense harmonic current injection and possible voltage sags produced by ...
  • Almeida, Alcindo Gandhi Barreto; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4777237A3 (Universidade Federal de Juiz de ForaBrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2015-04-24)
    The misinformation between the actual public lighting equipment and those reported by municipalities to the electricity companies may result in a kind of loss mainly referred as commercial loss. The usual adopted procedure ...
  • Peres, Wesley; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4419994P7 (Universidade Federal de Juiz de ForaBrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2012-03-05)
    This work presents a methodology based on Optimal Power Flow (OPF) and Sensitivity Analysis to define a minimum network configuration for a power system fluent restoration taking security issues into account. At this early ...
  • Schettino, Bruno Montesano; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4214370U3 (Universidade Federal de Juiz de ForaBrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2012-12-03)
    This work presents a proposal to perform a compensation of the effects due to saturation of Current Transformers (CT) cores used in circuit protection, by correcting the root mean square (RMS) value of the alternate component ...
  • Mendonça, Isabela Miranda de; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4450864E4 (Universidade Federal de Juiz de ForaBrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2012-08-02)
    This dissertation aims at the realization of the static transmission network expansion planning (STNEP) of electric power systems using the Particle Swarm Optimization (PSO) method. The proposed methodology uses a Constructive ...