Search

Your search keyword '"Fernandes, Darlan A."' showing total 145 results
Start Over Author "Fernandes, Darlan A."
145 results on '"Fernandes, Darlan A."'

26. Grid Harmonic Current Correction Based on Parallel Three-Phase Shunt Active Power Filter.

Author

Souza, Laysa L. de, Rocha, Nady, Fernandes, Darlan A., Sousa, Reuben P. R. de, and Jacobina, Cursino B.

Subjects
ELECTRIC power filters, POWER semiconductors, DISCRETE-time systems, ELECTRIC current rectifiers, ALGORITHMS, INDUSTRIAL goods
Abstract

This article presents a finite-set model predictive control (FS-MPC) applied to the shunt active power filters (SAPF) based on three-phase inverters connected in parallel sharing the same dc-link. The discrete-time model of the system is used to predict the future value of the grid, circulation, and offset currents. The presence of circulation and offset currents occurs due to the connection of the two inverters in parallel sharing the same dc-link. There are 64 switching state vectors for SAPF and, in order to reduce the burden of calculation, only 30 switching states are chosen and applied, however keeping the advantages of the FS-MPC algorithm. The control strategy ensures the sinusoidal shape of the grid current, high power factor, and circulating and offset currents suppression. The FS-MPC has its performance compared to the pulsewidth modulation (PWM) strategy considering the SAPF with two parallel inverters, the conventional SAPF and the neutral-point-clamped SAPF. These comparisons include harmonic distortion, power semiconductor losses, and analysis of dc-link capacitor losses. As a multilevel topology, the SAPF with two parallel inverters using FS-MPC present competitive efficiency and can be applied with a good performance in industrial and residential applications. Simulation results and a laboratory-scale experimental platform is used for corroborating the proposal. [ABSTRACT FROM AUTHOR]

Published
2022
Full Text
View/download PDF

30. Indústria 4.0: a Revolução 4.0 e o Impacto na Mão de Obra

Author

Mata, Vanessa Da SIlva, primary, Costa, Carlos Henrique de Oliveira, additional, Fernandes, Darlan Cordeiro, additional, Silva, Emanuelle Oliveira da, additional, Cardoso, Fabiana Aguiar, additional, Andrade, Júlio César, additional, Rezende, Lucas Phelipe L. de, additional, Oliveira, Mariana Fernanda de, additional, De Souza, Núbia, additional, Machado, Priscila Emanuelle Vieira, additional, and Rodrigues, Rhanyelem Payfer de M., additional

Published
2018
Full Text
View/download PDF

47. Sequence Component Extraction Based on Recursive Least Squares for Wind Energy Applications.

Author

Rocha-Osorio, C., Solís-Chaves, J., Costa, Fabiano, Fernandes, Darlan, and Sguarezi Filho, A.

Subjects
INTEGRATORS, ELECTRIC inductance, WIND power, STATORS, ELECTRIC generators, ELECTRIC windings
Abstract

In this paper, a sequence component extractor based on a recursive least square is used in a wind generation application. The deadbeat controller computes the rotor voltage to be applied to the doubly fed induction generator during the voltage sag condition. The control is designed by the discretized rotor equations and makes use of the stator field-oriented control technique. The SCE-RLS calculates each sequence component of stator voltages or currents that allow the right position of the mentioned vectors. Comparisons made by MATLAB/Simulink and by experimental tests corroborate the advantageous of the proposed recursive least squares extractor over the one based on the Secondary General Order Integrator. [ABSTRACT FROM AUTHOR]

Published
2018
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results