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Análise comparativa de conversores monofásicos aplicados a correção de fator de potência
(Universidade Federal de Santa Maria, 2009-08-12)
This work presents a study and a comparative analysis of high power single-phase converter applied to power factor correctioii in according to the international standards IEC
61000-3-4 (harmonics limitation) and CISPR 22 ...
Sistema eletrônico isolado com elevado fator de potência e reduzidas capacitâncias para alimentação de leds aplicado à iluminação pública
(Universidade Federal de Santa Maria, 2013-08-06)
This work aims to develop a family of electronic converters with electrical isolation to supply a group of power light emitting diodes, applied to street lighting systems. The converters have high power factor and still ...
Sistema eletrônico para lâmpadas fluorescentes de indução baseado na topologia sepic half-bridge bi-integrada com controle de intensidade luminosa por modulação de baixa frequência
(Universidade Federal de Santa Maria, 2015-06-15)
This master thesis presents the analysis and design of an electronic drive system for fluorescent induction lamps. This lighting technology, despite being patented since the 60s, is not widely diffused in the market context. ...
Sistema eletrônico de alto fator de potência com entrada universal e controle de intensidade luminosa para o acionamento de leds
(Universidade Federal de Santa Maria, 2016-12-23)
This master thesis presents the development of a 100 W LED driver, suitable for outdoor and street lighting. In
order to match the driver and LED features, special functionalities are added to the electronic system. To ...
Conversor eletrônico de alto fator de potência para alimentação de leds aplicando a técnica input current shaper
(Universidade Federal de Santa Maria, 2017-07-31)
This work presents analysis, simulation, design and implementation of an integrated topology consisting of two static DC-DC converters to supply power LEDs, presenting high power factor. Power factor correction is essential ...
Metodologia de projeto de conversores boost para correção de fator de potência apliocada a sistemas ininterruptos de energia
(Universidade Federal de Santa Maria, 2006-04-20)
This Master Thesis presents a design methodology to a boost PFC converter operating as an Uninterruptible Power Supply rectifier input stage. This methodology defines, making use of a group of current ripples and switching ...
Análise, modelagem e validação experimental de uma metodologia para o projeto do indutor em conversores Boost PFC
(Universidade Federal de Santa Maria, 2009-03-27)
This work presents the development of a methodology for design of inductor in singlephase PFC boost converters operating in CCM mode in agreement with international
standards IEC 61000-3-2 and CISPR 22. Such converters ...
Modelagem, projeto e implementação de um conversor isolado com um único estágio e correção do fator de potência.
(Universidade Federal de Santa Maria, 2008-04-16)
This Master Thesis presents a new analysis, modeling and design guideline for an Insulated Power Factor Corrected Single-Stage Converter. First, the operating principle is
presented which provides a better understanding ...
Reator eletrônico para lâmpadas de descarga em alta pressão baseado no conversor biflyback inversor
(Universidade Federal de Santa Maria, 2011-07-26)
The study of the best utilization of high intensity discharge lamps deals with the great global concern with energy efficiency. Electronic ballasts are the current devices that can make the good use of high luminous efficacy ...