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Browsing Mestrado em Engenharia Elétrica (Dissertações) by Author "Almeida, Pedro Santos"

Browsing Mestrado em Engenharia Elétrica (Dissertações) by Author "Almeida, Pedro Santos"

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  • Tavares, Pedro Laguardia; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4338358A5 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2018-09-25)
    The plant cultivation supplied partially or totally by artificial radiation source is increasing significantly according to the viability of LED lighting systems. In this context, this work contemplates the relation between ...
  • Nolasco, Josimar Ribeiro; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4422793Y5 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2018-09-14)
    This paper shows the study of the Ćuk converter in its isolated topology in the discontinuous conduction mode. It is presented the main relations of the converter, as well as the analysis of the magnetizing inductance with ...
  • Silva, Bruno Heleno da; http://lattes.cnpq.br/ (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2019-03-01)
    This work proposes a high power factor universal LED driver operating with input voltage variation from 90 to 264 V rms and dimming. The driver was designed to comply with the standard IEC 61000-3-2. Therefore, as the ...
  • Almeida, Pedro Santos; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4206164D6 (Universidade Federal de Juiz de ForaBrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2012-03-23)
    This work presents a study regarding the feeding of light-emitting diodes (LEDs) from mains (grid power) employing electronic drivers with power factor correction. The study aims the development of an LED driver which ...
  • Coimbra, João Paulo Macedo; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K8287853P0 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2018-09-12)
    The growing demand for electricity by society has led to the search for new forms of generation, requiring an increase in the share of renewable energy sources in the global energy matrix, given the environmental ...
  • Lobato, Salatiel de Castro; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4474546U4 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2016-11-07)
    This work consists in the evaluation and improvement of a current source for a particle accelerator. The output current presents a DC sinusoidal waveform in low frequecy which flows through the windings of high inductance ...
  • Ferraz, Ruan Moreira; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K8582979J2 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2019-02-20)
    This work presents a high accuracy methodology for designing LLC resonant converter applied to LED driving. This technique has been considered for analyzing and designing a dc-dc LLC resonant converter used as a second ...
  • Braga, Mateus Freitas; http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4611096D4 (Universidade Federal de Juiz de Fora (UFJF)BrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2017-03-20)
    The amount of non-linear loads connected to the various electrical systems grows on a daily basis, regardless those loads are tied to a transmission or distribution bar. As a consequence of this growth, it is possible to ...