A quadratic buck converter with lossless commutation. - Vinicius M. Pacheco; Acrísio José do Nascimento Jr.; Valdeir José Farias; João Batista Vieira Jr.; Luiz Carlos Gomes de Freitas (IEEE Trans. Ind. Electron., 2000)

An improved boost PWM soft-single-switched converter with low voltage and current stresses. - Evandro Soares da Silva; Lúcio dos Reis Barbosa; João Batista Vieira Jr.; Luiz Carlos Gomes de Freitas; Valdeir José Farias (IEEE Trans. Ind. Electron., 2001)

A quasi-resonant quadratic boost converter using a single resonant network. - Luiz Henrique Silva Colado Barreto; Ernane Antônio Alves Coelho; Valdeir José Farias; João Carlos de Oliveira; Luis Carlos de Freitas; João Batista Vieira (IEEE Trans. Ind. Electron., 2005)

Analysis of a soft-switched PFC boost converter using analog and digital control circuits. - Luiz Henrique Silva Colado Barreto; Marcelo Gouveia Sebastiao; Luis Carlos de Freitas; Ernane Antônio Alves Coelho; Valdeir José Farias; João Batista Vieira (IEEE Trans. Ind. Electron., 2005)

Proposal of a Soft-Switching Single-Phase Three-Level Rectifier. - Fernando Lessa Tofoli; Ernane Antônio Alves Coelho; Luiz Carlos Gomes de Freitas; Valdeir José Farias; João Batista Vieira (IEEE Trans. Ind. Electron., 2008)

Hybrid high-power rectifier with reduced THDI and voltage sag ride-through capability. - Admarco V. Costa; Danillo Borges Rodrigues; Luiz Carlos Gomes de Freitas; João Batista Vieira; Ernane Antônio Alves Coelho; Valdeir José Farias; Luiz C. G. Freitas (IAS, 2011)

DSP-Based Implementation of Control Strategy for Sinusoidal Input Line Current Imposition for a Hybrid Three-Phase Rectifier. - Danillo Borges Rodrigues; Admarco V. Costa; Gustavo Brito de Lima; Luiz Carlos Gomes de Freitas; Ernane Antônio Alves Coelho; Valdeir José Farias; Luiz C. G. Freitas (IEEE Trans. Ind. Informatics, 2013)

Proposal for preprogrammed control applied to a current-sensorless PFC boost converter. - Antônio de Pádua Finazzi; Gustavo Brito de Lima; Luiz Carlos Gomes de Freitas; Ernane Antônio Alves Coelho; Valdeir José Farias; Luiz C. G. Freitas (Microprocess. Microsystems, 2014)

Proposal of a Photovoltaic AC-Module With a Single-Stage Transformerless Grid-Connected Boost Microinverter. - Fernando C. Melo; Lucas S. Garcia; Luiz C. G. Freitas; Ernane Antônio Alves Coelho; Valdeir José Farias; Luiz Carlos Gomes de Freitas (IEEE Trans. Ind. Electron., 2018)