Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Roger Gules"'
Publikováno v:
IEEE Access, Vol 12, Pp 104785-104797 (2024)
Capacitance reduction in single-phase rectifiers has been the focus of several works, allowing, in many cases, the replacement of short-lifetime electrolytic with film capacitors, prolonging the lifespan of the converter. Among the different techniqu
Externí odkaz:
https://doaj.org/article/967388c812e040c08ee97b9d2e2097c5
Autor:
Fabio Inocencio Kravetz, Roger Gules
Publikováno v:
Eletrônica de Potência, Vol 29, Pp e202411-e202411 (2024)
This paper presents a high voltage gain dc-dc converter operating with soft switching, high switching frequency, and reduced voltage stress in all semiconductors, which is suitable for applications as renewable energy sources. The proposed topology u
Externí odkaz:
https://doaj.org/article/1a60147c74ed4cf5bad5cdc322ded5b4
Publikováno v:
IEEE Access, Vol 7, Pp 160168-160176 (2019)
Two new three-phase high-power-factor rectifiers using an interleaved discontinuous conduction mode (DCM) boost converters in a three-level configuration are proposed in this paper. The input currents waveforms follow the input voltages waveforms wit
Externí odkaz:
https://doaj.org/article/755f096bb18446738b79ad415180404a
Autor:
Julio Cesar Moura Fae, Victor Gati, Roger Gules, Eduardo Ribeiro Felix Romaneli, Alceu André Badin, Amauri Amorin Assef
Publikováno v:
Eletrônica de Potência, Vol 25, Iss 4 (2020)
Este trabalho apresenta o desenvolvimento de um inversor monofásico isolado conectado à rede empregando a topologia boost-full-bridge (BFB). Utiliza-se este conversor CC-CC em uma estrutura unfolding na qual se modula semiciclos positivos senoidais
Externí odkaz:
https://doaj.org/article/fe81402df0be45b4a711bc5322dd384b
Publikováno v:
Eletrônica de Potência, Vol 23, Iss 1 (2017)
The bridgeless boost-full-bridge rectifier is used as preregulator for a high frequency isolated UPS and the asymmetric pulse width modulation (APWM) modulation is applied in order to obtain a high quality input current with high power factor. The re
Externí odkaz:
https://doaj.org/article/d057349e1f7b4d479cdbf780776da4b1
Publikováno v:
Eletrônica de Potência, Vol 20, Iss 1 (2015)
This paper presents a three-phase unidirectional rectifier with power-factor correction (PFC) using two modified single-phase Buck rectifiers in continuous conduction mode (CCM). The phase reduction technique using an autotransformer based on Scott C
Externí odkaz:
https://doaj.org/article/d7d7670d4ee64beda2dbc5d7a77fd230
Autor:
Roger Gules, Ivo Barbi
Publikováno v:
Revista Tecnologia, Vol 23, Iss 1 (2009)
Neste artigo são propostas duas alternativas para a implementação de conversores CC-CC isolados, operando com elevada tensão de saída(kV) e com tensão de entrada não regulada. As estruturas propostas são especialmente indicadas para a implem
Externí odkaz:
https://doaj.org/article/57ff14a1d5c146ad8b95dd0d99d9d025
Autor:
Roger Gules, Ivo Barbi
Publikováno v:
Revista Tecnologia, Vol 23, Iss 1 (2009)
Two alternatives for the implementation of an isolated dc-dc converter operating with high output voltage(kV) and supplied by an unregulated low input voltage a represented in this paper. The proposed to pologies are especially well adapted for the i
Externí odkaz:
https://doaj.org/article/53746db7b1af4d8895011acf8cd33edc
Publikováno v:
IEEE Journal of Emerging and Selected Topics in Power Electronics. 10:1007-1016
A novel driving circuit for a current doubler synchronous rectifier to inductive power transfer (IPT) applications is proposed in this paper using only auxiliary windings in the existent rectifier output filter inductors to drive the active switches.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d6d9019300753886f4eda854cd55967
https://doi.org/10.1109/jestpe.2021.3105041
https://doi.org/10.1109/jestpe.2021.3105041
Autor:
Fabio Inocencio Kravetz, Roger Gules
Publikováno v:
IEEE Journal of Emerging and Selected Topics in Power Electronics. 9:6739-6747
The Modified SEPIC converter is a high performance dc-dc converter with intrinsic high static gain and reduced voltage stress in all semiconductors used in several applications as renewable energy sources, high power factor rectifiers, LED driver, ba
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1149eb918745c6d64d78240aca3f93d4
https://doi.org/10.1109/jestpe.2021.3079573
https://doi.org/10.1109/jestpe.2021.3079573