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  • WESTIN, Nicolas de Oliveira Perez; http://lattes.cnpq.br/7607259779680425 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia MecânicaUNIFEI, 2020-12-18)
    Due to the constant evolution of society, with the fast technologies and processes modernization, energy dealerships suffer constant demands to improve their services, culminating in investments in their infrastructure, ...
  • MAIA, Nedson Joaquim; http://lattes.cnpq.br/3107199774910677 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-12-18)
    This work presents a topology of a low power Transconductance Operational Amplifier (OTA) for the compensation of Common Mode Rejection Ratio (CMRR), in which the transistors operate in the strong inversion mode. Initially, ...
  • BORGES, Ramon Maia; http://lattes.cnpq.br/7146743799532788 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2020-07-22)
    This study presents radio over fiber (RoF) solutions for the fifth-generation (5G) of wireless networks. After the state of the art and a technical background review, four main contributions are reported. The first one is ...
  • RODRIGUES, Rodrigo de Paula; http://lattes.cnpq.br/3459819710852051 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2020-12-18)
    Non-intrusive load monitoring (NILM) systems have gained extensive interest due to their potential role regarding power savings for residential customers. These systems, which are mostly based on stages of detection and ...
  • LIMA, Lucas Ramalho de; http://lattes.cnpq.br/4226637404336882 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2018-03-16)
    This thesis presents new methods to classify nodes and substations based on static and dynamic (transient stability) network performances in electrical power systems. The approach is capable of offering a ranking of nodes ...
  • NISHIDA, Kenji; http://lattes.cnpq.br/4080396676175116 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2021-02-26)
    This work aims to evaluate the efficiency of the application of the pulsed electromagnetic field in the assisted precipitation of calcium carbonate, to decrease the supply of dissolved calcium in the water, as an innovative ...
  • MONTEIRO, Luiz Fernando Ribas; http://lattes.cnpq.br/0794752062606721 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-12-18)
    The increased insertion of renewable generation, mainly wind and solar, brings new challenges for the planning and operation of electric power systems due to its dependence on climatic conditions. In this perspective, ...
  • CUNHA, Cícero Luiz Alves; http://lattes.cnpq.br/1920832530571895 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2021-03-05)
    The study of thin films of aluminum nitride (AlN) and devices constructed involving surface acoustic waves (SAW) technology is complex. However, this work serves as a basis for the development of SAW devices, such as ...
  • MACIEL, Leticia dos Santos Benso; http://lattes.cnpq.br/1898875121918800 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2020-12-04)
    Using an economic model of the electricity market (TAROT - Optimized Tariff) that represents the regulated market of distribution of electrical energy, this theses presents an evaluation of public policies for fare social ...
  • FOSTER, João Gabriel Luppi; http://lattes.cnpq.br/3615232952689034 (Universidade Federal de ItajubáBrasilDepartamento 1PPG1UNIFEI, 2020-07-06)
    This work proposes the application of finite control set model predictive control(FCSMPC) for dynamic reactive power and harmonics compensation. To achieve these objectives the FCS-MPC is applied to a hybrid active power ...
  • RAMOS, Marcos Leonardo; http://lattes.cnpq.br/4479919673209310 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-10-29)
    The purpose of this work is the development and the implementation at laboratory the one full-controlled test bench to operate as a controlled modified bridge and as a conventional bridge and check the power factor improvement ...
  • PINTO, Paulo Marcos; http://lattes.cnpq.br/0645669021707489 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2021-03-05)
    This work presents a design methodology for the Butterworth low-pass filter of any order, based on the differential-difference transconductance amplifier building blocks. Moreover, a similar design methodology for the ...
  • VACILOTO FILHO, Evandro Marcos; http://lattes.cnpq.br/5418932957108365 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-12-07)
    There are many types of protection for capacitor banks, like simple star, double star and H bridge. Burning of capacitive elements results in actuation of protection, due to variations in unbalance voltage and unbalance ...
  • SILVA FRÉ, Gabriel Lobão da; http://lattes.cnpq.br/2539115151670208 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Doutorado - Engenharia ElétricaUNIFEI, 2020-11-06)
    This work presents an alternative THz-modulator, using a low-loss slotted waveguide. The interaction between THz-signal and the optical carrier wave is performed along the modulator length, which is substantially greater ...
  • BASTOS, Guilherme Sousa; http://lattes.cnpq.br/1508015681115848 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2004-03-18)
    This dissertation of Master's degree has as main objective to develop an intelligent method of load distribution among machines (generating groups) of hydroelectric power plants in way to maximize the global efficiency ...
  • JUNG, Fernando Luis Leal; http://lattes.cnpq.br/9103617037110917 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2021-03-12)
    Voltage sags are deviations in the rms voltage that may lead to electrical equipment malfunction. Characterized mainly by its magnitude and duration, these events display many other characteristics that may affect electrical ...
  • MACIEL, Regimar; http://lattes.cnpq.br/2772103386839326 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-12-15)
    This work aims to propose and validate an architecture of an interval type-2 fuzzy logic systems implemented in FPGA, which meets real-time control applications, with serial processing in the inference mechanisms. This ...
  • CAMPOS, Ricardo Barbosa de Almeida; http://lattes.cnpq.br/6702967466896055 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2021-04-26)
    To keep the power generators in a good state of operation might be a daunting task, because it will probably involve a considerable number of generators and each one of them having a great number of variables to be ...
  • SALLES, Rafael de Souza; http://lattes.cnpq.br/6855722781714382 (Universidade Federal de ItajubáBrasilIESTI - Instituto de Engenharia de Sistemas e Tecnologia da InformaçãoPrograma de Pós-Graduação: Mestrado - Engenharia ElétricaUNIFEI, 2020-12-04)
    Power quality (PQ) is not a new theme, but it should not be neglected in any way, as its performance parameters will reveal problems in the adequacy between the consumer equipment and the electrical grid. With the ongoing ...