Buscar
Mostrando ítems 61-70 de 359
Contribuições ao estudo de conversores CC–CC com processamento parcial de energia aplicados a sistemas fotovoltaicos
(Universidade Federal de Santa MariaBrasilEngenharia ElétricaUFSMPrograma de Pós-Graduação em Engenharia ElétricaCentro de Tecnologia, 2017-12-18)
This work presents some conceptual and practical contributions about the use of series-regulated
DC/DC converters in multi-string photovoltaic systems, which have been presented in the literature
as capable of performing ...
Impacto de diferentes coeficientes de assimetria em conversores multiníveis com uma fonte CC
(Universidade Federal de Santa MariaBrasilEngenharia ElétricaUFSMPrograma de Pós-Graduação em Engenharia ElétricaCentro de Tecnologia, 2017-03-03)
Multilevel converters operating with single dc source represent an interesting and
simple solution, since only an isolated voltage source is required, even in applications with
active power transfer. In this way, the ...
Novo conversor CC-CC integrado full-bridge-forward aplicado a uma microrrede residencial
(Universidade Federal de Santa MariaBREngenharia ElétricaUFSMPrograma de Pós-Graduação em Engenharia Elétrica, 2013-02-07)
This Ph.D. Dissertation focuses on the proposal of a novel converter topology applied
to the connection of an energy storage system, composed of a supercapacitor bank and a
battery bank, to the dc bus of a residential ...
Conversores CC–CC bidirecionais para regulação série de tensão aplicados em sistemas fotovoltaicos
(Universidade Federal de Santa MariaBrasilEngenharia ElétricaUFSMPrograma de Pós-Graduação em Engenharia ElétricaCentro de Tecnologia, 2020-02-27)
This work provides some conceptual and practical contributions about the use of DC–DC power
converters connected as step-up/down series voltage regulators in string or multi-string architectures
of grid-tie photovoltaic ...
Análise comparativa de conversores cc-cc elevadores de tensão aplicados a sistemas fotovoltaicos de duplo estágio de conversão de energia conectados à rede elétrica monofásica
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia ElétricaUTFPR, 2017-11-29)
This work presents a study of photovoltaic systems connected to single-phase power grid, which involves three topologies of DC-DC step-up converters, being the Classic Boost converter, the Quadratic Boost converter and the ...
Desenvolvimento de um conversor monofásico assimétrico com capacitores flutuantes
(Universidade Federal de Santa MariaBrasilEngenharia ElétricaUFSMPrograma de Pós-Graduação em Engenharia ElétricaCentro de Tecnologia, 2019-02-18)
This work presents a comprehensive analysis of a single-phase full-bridge asymmetrical flying capacitor
multilevel converter. Multilevel converters are a promising alternative to high power applications, since
they use ...
Sequential Phase-Shifted Model Predictive Control for a Multilevel Converter with Integrated Battery Energy Storage
(2020)
Cascaded converters have risen as a suitable solution for the connection of Utility-scale Battery Energy Storage Systems (BESS) to the grid. These converters allow to split the battery array into the power modules, reducing ...
Análise e metodologia de projeto de conversores cc-cc isolados com comutação sob tensão nula: ponte-completa e duplo meia-ponte
(Universidade Federal de Santa MariaBrasilEngenharia ElétricaUFSMPrograma de Pós-Graduação em Engenharia ElétricaCentro de Tecnologia, 2017-08-10)
This work presents a study of an isolated DC-DC converter with zero-voltage switching (ZVS)
and phase-shifted (PS) applied to full-bridge (ZVS-PS-FB) and double half-bridge converters
(ZVS-PS-DHB). The double half-bridge ...
Model-based predictive rotor current control strategy for indirect power control of a doubly fed induction generator driven by an indirect matrix converter
(Instituto Tecnológico y de Estudios Superiores de Monterrey, 2021-08-06)
Wind energy conversion systems, which are in continuous development, are formed by three main elements, generator, converter, and control algorithms. Each element has its own technical challenges but all together they ...
Projeto e implementação de um retificador isolado em alta frequência
(Universidade Tecnológica Federal do ParanáCuritibaPrograma de Pós-Graduação em Engenharia Elétrica e Informática Industrial, 2014-03-25)
This paper presents the development and implementation of a high power factor full-bridge rectifier with high frequency isolation for UPS applications. This converter is composed by a multiphase boost converter operating ...