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Browsing Mestrado em Engenharia Elétrica (Dissertações) by Issue Date

Browsing Mestrado em Engenharia Elétrica (Dissertações) by Issue Date

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  • Pereira, Hivy Queiroz; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4736688U6 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2006-02-22)
    This work presents a comparative study on convergence characteristics of some three-phase power flow methods, namely, conventional polar, conventional rectangular and current injection formulations. The polar and rectangular ...
  • Severino, Juciléia Filomena Barbosa; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4511180H8 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2006-03-07)
    The necessity to increase the transport of energy in the installed transmission lines, without modifying them, it has motivated the elaborations of several studies of the ampacity of TLs. Aiming to fulfill the approaches ...
  • Lanes, Matusalém Martins; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4756972Y1 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2006-08-09)
    This dissertation presents a study of a resonant fault current limiter (FCL) controlled by power semiconductor devices. Initially the operation of two ideal resonant circuit topologies as fault current limiter are discussed. ...
  • Fontoura, Rafael Montes; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4751656Y2 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2006-08-14)
    This work proposes the inclusion of dynamic constraints in the Optimal Power Flow (OPF) formulation, involving the problem associated with closing loops and reactive power sources planning. The proposed algorithm uses the ...
  • Lopes, Luis Claudio Gambôa; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4764946P8 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2006-08-25)
    This dissertation describes the development steps of an experimental photovoltaic system of electric energy generation of 30 kW installed on the Federal University of Juiz de Fora Campus (UFJF). Details of the photovoltaic ...
  • Carmo, Marlon José do; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4756315J2 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2006-08-28)
    Industrial processes as well as the production based on the philosophy of quality assurance demand controllers that work facilities with their finely parameters, independent of the load situations and disturbances. A lot ...
  • Borges, Thiago Trezza; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4749678U3 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2006-08-31)
    This work proposes the development of a graphic package having mathematical models of electrical networks as well as graphical interface models to analyze the Electrical Power Systems (EPS) in steady state. The first part ...
  • Guedes, Magda Rocha; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4564206P8 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2007-03-10)
    The continuous loading growth allied to the lack of investments in generation and transmission areas has led to a electrical power system operated closer to its operating limits. Therefore, voltage stability is one of the ...
  • Marques, Cristiano Augusto Gomes; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4552087E2 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2007-03-16)
    This dissertation discusses the disturbance detection problem for power quality monitoring applications when the voltage signal intervals for analysis correspond to submultiples of one cycle component fundamental of the ...
  • Resende, Jaqueline Lindolores de; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4739092U2 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2007-07-09)
    The constant complexity increase of the electrical power systems demands a continuous improvement of operation and control techniques. The current supervision and control centers are characterized by functions that ...
  • Cantarino, Marcelo; http://lattes.cnpq.br (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2007-07-09)
    This work presents a comparative study on the evaluation of the sensitivity of loading margin with respect to different electric system parameters, without the necessity of solving this problem by the conventional form ...
  • Reis, Debora Costa Soares dos; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4770218U2 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2007-08-13)
    This work develops and tests a branch and bound algorithm for solving optimal allocation of power quality monitors in a transmission power system. The optimization problem is solved by using 0-1 integer programming ...
  • Gomes, Pedro Henrique de Castro; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4764679P9 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2007-08-22)
    The always more restrictive energy quality benchmarks, pushed on by consumers, associated with the electric sector deregulamentation has been imposing the necessity, for the concessionaries, of a better and decentralized ...
  • Campos, Fabrício Pablo Virgínio de; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4708712A4 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2007-08-27)
    In this dissertation, is discussed and analyzed the use of coded- ortogonal frequency division multiplexing (COFDM) for broadband data transmission through outdoor low-voltage power electric network (Power Line Communications ...
  • Carvalho, Janison Rodrigues de; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4774219Y7 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2008-02-15)
    This dissertation discusses parameter estimation of harmonics/inter-harmonics of electrical signals under time-varying conditions. Two new suitable approaches for processing this kind of signals are proposed. The first one ...
  • Damasceno, Augusto de Caux Henriques; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4101869A2 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2008-06-30)
    This work investigates the utilization of a predictive digital current-mode controller for a bidirectional DC-DC converter connected to a photovoltaic electric generation system. The DC-DC converter, with the digital current ...
  • Viana, Eduardo Martins; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4102702T0 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2008-08-13)
    This work proposes a methodology to help the studies related to electric power systems fluent restoration. At this early restoration stage, power system is structured in long transmission corridors and the reactors set ...
  • Rocha, Rafael Santos; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4104442A4 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2008-08-15)
    The energy sector planning is fundamental to assure the energy supply at the smallest costs and risks and with the smallest socioeconomic and environmental impacts for the society. These factors as well as the aspects ...
  • Neves, Marcelo Silva; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4759798Z6 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2008-08-22)
    In this work a new methodology for static load modeling in electric power systems is proposed. The proposed tool aims to make the estimation of the exponential and polynomial (ZIP) load parameters related to active and ...
  • Castro, Thiago da Silva; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4249363H7 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2008-08-25)
    This work is dedicated to the study of dactyloscopy (the identification process of the human based on his fingerprints) applied to the AFIS (automatic fingerprint verification systems). The main objective of the study consists ...