Search Results - "Oliveira Jr, Demercil de Souza"

Comprehensive analysis of a three‐phase DC–DC resonant converter with an open delta‐wye transformer using variable frequency by Santos, Kristian Pessoa dos, Praça, Paulo Peixoto, Oliveira Filho, Hermínio Miguel, Oliveira, Demercil de Souza, Barreto, Luís Henrique Silva Colado, Henn, Gustavo Alves de Lima

“…A three‐phase soft‐switched DC–DC resonant converter with variable frequency to perform the output voltage control is proposed. The open delta‐wye connection…”
Get full text

A three-phase ZVS PWM DC/DC converter with asymmetrical duty cycle for high power applications by de Souza Oliveira, D., Barbi, I.

“…This paper proposes the application of the asymmetrical duty cycle to the three-phase dc/dc pulse-width modulation isolated converter. Thus, soft commutation…”
Get full text

Analysis, Design, and Experimentation of a Double Forward Converter With Soft Switching Characteristics for All Switches by de Souza Oliveira <suffix>Jr.</suffix>, Demercil, de Alencar e Silva, Carlos Elmano, Torrico-Bascopé, René Pastor, Tofoli, Fernando Lessa, Bissochi <suffix>Jr.</suffix>, Carlos Augusto, Vieira <suffix>Jr.</suffix>, João Batista, Farias, Valdeir José, de Freitas, Luiz Carlos

“…The study of a topology resulting from the combination of two forward structures attached to a single transformer core is presented in this paper, as a dual…”
Get full text

Modelling of nonisolated high-voltage gain boost converters using the PWM switch model by Alcazar, Yblin Janeth Acosta, Tofoli, Fernando Lessa, Oliveira Jr, Demercil de Souza, Torrico-Bascopé, René Pastor

“…This paper presents the small-signal models for nonisolated dc-dc boost converters based on the three-state switching cell (3SSC) and voltage multiplier cells…”
Get full text

Single-Phase Isolated AC-AC Converters Based on the Dual Active Bridge Converter by Cipriano da Silva, Olympio, Tofoli, Fernando Lessa, Honorio, Dalton, Barreto, Luiz Henrique, Oliveira, Demercil de Souza

“…This article presents three single-phase isolated ac-ac converters based on the dual active bridge (DAB) converter and interleaved transformers. The structures…”
Get full text

Novel Nonisolated High-Voltage Gain DC-DC Converters Based on 3SSC and VMC by Tofoli, Fernando Lessa, de Souza Oliveira, Demercil, Torrico-Bascopé, René Pastor, Alcazar, Yblin Janeth Acosta

“…This paper introduces a new family of dc-dc converters based on the three-state switching cell and voltage multiplier cells. A brief literature review is…”
Get full text

Single-Phase Isolated AC-AC Symmetrical Full-Bridge Converter by da Silva Filho, Olympio Ciprianoda, Tofoli, Fernando Lessa, Barreto, Luiz Henrique Silva Colado, de Souza Oliveira, Demercil

“…This work proposes an ac-ac converter based on interleaved transformers associated with the dual active bridge (DAB) converter. The resulting symmetrical…”
Get full text

Family of single‐phase high‐frequency isolated AC–AC converters by Cipriano da Silva Filho, Olympio, Tofoli, Fernando Lessa, Colado Barreto, Luiz Henrique Silva, Souza Oliveira, Demercil

“…This work presents a family of single‐phase ac–ac converters with high‐frequency isolation based on the association of interleaved transformers and the dual…”
Get full text

Three-Phase Grid-Connected WECS With Mechanical Power Control by Guimaraes, Jessica Santos, Ricardo de Almeida, Bruno, Tofoli, Fernando Lessa, de Souza Oliveira, Demercil

“…This paper presents a grid-connected wind energy conversion system (WECS) based on a permanent magnet synchronous generator (PMSG) operating with variable…”
Get full text