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Fonte ininterrupta de energia trifásica de alto desempenho sem transformador com dupla funcionalidade do estágio de entrada e sistema de controle digital
(Universidade Federal de Santa Maria, 2016-07-21)
This master s thesis proposes a three-phase transformerless double-conversion UPS with digital control system and reduced overall cost. The topology is composed of an input stage, a battery bank, an inverter, an auxiliary ...
Análise e controle de um conversor CA-CC com elevado ganho de tensão aplicado a um sistema de geração de micro-ondas
(Universidade Federal de Santa Maria, 2016-07-28)
This master thesis performs the analysis and design of an AC-DC converter with high voltage
gain to be used to supply a magnetron in a microwave generation system. The converter topology
is chosen so as to enable input ...
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 ...
Projeto e implementação de um pré-regulador de fator de potência aplicado a lâmpadas fluorescentes t5 com fluxo luminoso variável
(Universidade Federal de Santa Maria, 2016-12-23)
In this master thesis, the development of an electronic ballast with variable luminous flux for
a T5 fluorescent lamp is presented. Several technics for the control of the power variation have
already been discussed in ...