Buscar
Mostrando ítems 1-10 de 101
A neural approach to evaluate the effect of lightning in power transformers
(2009-10-19)
This paper proposes the application of computational intelligence techniques to assist complex problems concerning lightning in transformers. In order to estimate the currents related to lightning in a transformer, a neural ...
A neural approach to evaluate the effect of lightning in power transformers
(2009-10-19)
This paper proposes the application of computational intelligence techniques to assist complex problems concerning lightning in transformers. In order to estimate the currents related to lightning in a transformer, a neural ...
Sistema eletrônico de alto fator de potência com entrada universal e controle de intensidade luminosa para o acionamento de leds
(Universidade Federal de Santa MariaBrasilEngenharia ElétricaUFSMPrograma de Pós-Graduação em Engenharia ElétricaCentro de Tecnologia, 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 ...
Análise e projeto de um boost PFC + ZAHB para luminárias led CA-CC
(Universidade Federal de Santa MariaBrasilEngenharia ElétricaUFSMPrograma de Pós-Graduação em Engenharia ElétricaCentro de Tecnologia, 2021-02-25)
This master’s thesis presents the analysis and design of a two-stage 100W and
universal input ac-dc LED driver. The driver’s front-end topology is composed by a
PFC (Power Factor Corrector) boost converter whereas the ...
Análise, projeto e implementação de um conversor com ampla faixa de tensão de entrada aplicado a iluminação de estado sólido
(Universidade Federal de UberlândiaBRPrograma de Pós-graduação em Engenharia ElétricaEngenhariasUFU, 2016)
Sistema UPS line-interactive monofásico com compensação ativa de potência série e paralela
(Universidade Tecnológica Federal do ParanáCornelio ProcopioPrograma de Pós-Graduação em Engenharia Elétrica, 2012-07-31)
This work presents a single-phase Line-interactive UPS System implementation with series and parallel active power-line compensation, which performs harmonic suppression and voltage sag/swell compensation of the utility ...
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 MariaBREngenharia ElétricaUFSMPrograma de Pós-Graduação em Engenharia Elétrica, 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 ...
Estimate of control voltage tolerances for a photo-electron analyzer of toroidal design
(Sociedade Brasileira de Física, 2003)
Desenvolvimento de metodologia do projeto do reator eletrônico auto-oscilante com entrada universal
(Universidade Federal de Santa MariaBREngenharia ElétricaUFSMPrograma de Pós-Graduação em Engenharia Elétrica, 2010-01-14)
This work presents the design and analysis of an electronic system with universal input to supply a fluorescent lamp. The system includes a self-oscillating electronic ballast and an additional circuit which allows keeping ...