A State Equation Model of a Single-Phase Grid-Connected Inverter Using a Droop Control Scheme With Extra Phase Shift Control Action von Avelar, H. J., Parreira, W. A., Vieira, J. B., de Freitas, L. C. G., Coelho, E. A. A.

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Simulated Annealing ‑ MPPT in Partially Shaded PV Systems von Chaves, E.N., Reis, J.H., Coelho, E.A.A., Freitas, L.C.G., Junior, J.B.V., Freitas, L.C.

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Low complexity system for real-time determination of current-voltage characteristic of PV modules and strings von Lima, N. N., de Freitas, L. C., Buiatti, G. M., Vieira, J. B., Freitas, L. C. G., Coelho, E. A. A.

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Modeling and control of a single-stage current source inverter with amplified sinusoidal output voltage von Garcia, L. S., de Freitas, L. C., Buiatti, G. M., Coelho, E. A. A., Farias, V. J., Freitas, L. C. G.

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Novel transformeless single-stage 4-switches Buck-Boost Inverter von Melo, F. C., Garcia, L. S., Buiatti, G. M., de Freitas, L. C., Coelho, E. A. A., Farias, V. J., Freitas, L. C. G.

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Harmonic Distortion Analysis in a Low Voltage Grid-Connected Photovoltaic System von Cardoso Melo, Fernando, Ruiz Spaduto, Robson, Gomes de Freitas, Luiz Carlos, Eduardo Tavares, Carlos, Rubens Macedo Jr, Jose, Henrique Oliveria Rezende, Paulo

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Novel proposal of hybrids rectifiers with voltage sag ride-through capability based on series DC voltage compensation technique von Lima, G. B., Rodrigues, D. B., Costa, A. V., de Freitas, L. C., Coelho, E. A. A., Farias, V. J., Freitas, L. C. G.

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Retrofitting technique to improve voltage sags ride-through capability of ASD using SEPIC rectifiers von Costa, A. V., Rodrigues, D. B., Lima, G. B., de Freitas, L. C., Coelho, E. A. A., Farias, V. J., Freitas, L. C. G.

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Performance Analysis of Methods at Estimating Insulated Cables Degradation von L. N. Velasco, A. Reis, J. C. Oliveira, L. C. G. Freitas, A. P. Finazzi, F. N. Lima, H.C. Martins, W. J. Araújo, J. M. Borges

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A real site application of a diagnose method at Estimating Insulated Cables Degradation using Non Linearity Indicators von L. N. Velasco, A. Reis, J. C. Oliveira, L. C. G. Freitas, A. P. Finazzi, F. N. Lima, H.C. Martins, W. J. Araújo, J. M. Borges

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Converter with Wide Input Voltage Range Applied to Solid State Lighting Based on HV9930 von R. A. Lodo, E. A. A. Coelho, F. V. R. Da Silva, A. W. F. V. Silveira, L. C. G. Freitas, J. B. Vieira Jr

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A Programmable Source Based on Multi-level Buck EIE inverter connected to a power factor correction stage composed by a single-phase hybrid rectifier von G. N. Souza, D. B. Rodrigues, G. B. de Lima, L. C. G. de Freitas, A. J. P. Rosentino Junior, M. R. M. Castillo, F. A. M. Moura, M. V. B. Mendonça, R. R. de Lima, W. B. de Melo

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Proposal of a switched high dynamic series voltage regulator for compensating Sags and Swells on AC voltage source von Freitas, P. A. R., Guimaraes, E. C., Freitas, L. C. G., Vieira, J. B., Freitas, L. C.

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A 19-state R-matrix calculation of the electron-photon coincidence parameters lambda and chi for the electron excitation of 11S-21P in helium at low energies von Berrington, K A, Fon, W C, Freitas, L C G, Kingston, A E

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Effect of Dexamethasone on Days Alive and Ventilator-Free in Patients With Moderate or Severe Acute Respiratory Distress Syndrome and COVID-19: The CoDEX Randomized Clinical Trial von Tomazini, Bruno M, Maia, Israel S, Cavalcanti, Alexandre B, Berwanger, Otavio, Rosa, Regis G, Veiga, Viviane C, Avezum, Alvaro, Lopes, Renato D, Bueno, Flavia R, Silva, Maria Vitoria A. O, Baldassare, Franca P, Costa, Eduardo L. V, Moura, Ricardo A. B, Honorato, Michele O, Costa, Andre N, Damiani, Lucas P, Lisboa, Thiago, Kawano-Dourado, Letícia, Zampieri, Fernando G, Olivato, Guilherme B, Righy, Cassia, Amendola, Cristina P, Roepke, Roberta M. L, Freitas, Daniela H. M, Forte, Daniel N, Freitas, Flávio G. R, Fernandes, Caio C. F, Melro, Livia M. G, Junior, Gedealvares F. S, Morais, Douglas Costa, Zung, Stevin, Machado, Flávia R, Azevedo, Luciano C. P

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Current-sensorless PFC Boost converter with preprogrammed control strategy von Finazzi, A. P., de Freitas, L. C., Vieira, J. B., Coelho, E. A. A., Farias, V. J., Freitas, L. C. G.

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Elastic scattering of intermediate and high energy electrons by CO2 von Botelho, L F, Freitas, L C G, Mu-Tao, Lee, Jain, A, Tayal, S S

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Quality of life after total laryngectomy: impact of different vocal rehabilitation methods in a middle income country von Souza, F G R, Santos, I C, Bergmann, A, Thuler, L C S, Freitas, A S, Freitas, E Q, Dias, F L

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Acute Chagas disease in Brazil from 2001 to 2018: A nationwide spatiotemporal analysis von Santos, Emily F, Silva, Angelo A.O, Leony, Leonardo M, Freitas, Natália E.M, Daltro, Ramona T, Regis-Silva, Carlos G, Del-Rei, Rodrigo P, Souza, Wayner V, Ostermayer, Alejandro L, Costa, Veruska M, Silva, Rafaella A, Ramos, Alberto N, Sousa, Andrea S, Gomes, Yara M, Santos, Fred L.N

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Inactivation of milk-borne pathogens by blue light exposure von dos Anjos, C., Sellera, F.P., de Freitas, L.M., Gargano, R.G., Telles, E.O., Freitas, R.O., Baptista, M.S., Ribeiro, M.S., Lincopan, N., Pogliani, F.C., Sabino, C.P.

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