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Study of optical absorption differences of doped polyaniline films by photothermal spectroscopies
(Applied Physics A, 2018)
Análise de conversor Ca–Ca monofásico rebaixador de topologia clássica com solução do problema de comutação
(Universidade Federal de Santa MariaBrasilUFSMCentro de Tecnologia, 2019-07-11)
In this paper the design and losses analysis on the semiconductors of a PWM chopper
single-phase converter are presented. It steps down a voltage of 220 Volts at the source
to 127 Volts at the load. The ordering of the ...
Projeto de reatores eletronicos para hid baseado no conversor chopper AC
(Universidade Federal de Santa MariaBREngenharia ElétricaUFSMPrograma de Pós-Graduação em Engenharia Elétrica, 2007-08-24)
This thesis proposes a design of a power supply for high-pressure discharge lamps based on a high efficiency and high power factor electronic ballast, without exciting the
intrinsic acoustic resonance. The ballast consists ...
Sistemas eletrônicos de iluminação baseados nos conversores CA/CA
(Universidade Federal de Santa MariaBREngenharia ElétricaUFSMPrograma de Pós-Graduação em Engenharia Elétrica, 2011-08-23)
This thesis proposes to improve the efficiency of public illumination systems by means of AC chopper based power converters. A comparative study of high performance AC/AC converters feeding high pressure sodium lamps on ...
Topologia híbrida e métodos de controle aplicados à regulação de tensão de geradores de indução auto-excitados
(Universidade Federal de Santa MariaBREngenharia ElétricaUFSMPrograma de Pós-Graduação em Engenharia Elétrica, 2016-05-23)
This doctoral thesis deals with the study, analysis and development of a new hybrid
topology for voltage regulation of stand-alone microgeneration systems employing
self-excited induction generators. The hybrid topology ...
Quantitative depth profile study of polyaniline films by photothermal spectroscopies
(Applied Physics A, 2018)
Space And Ground-based New Tools For Thz Solar Flare Observations
(International Symposium on Space Terahertz Technology, 2015)