Search Results - "Barbosa, Pedro G."

Simple and Effective Digital Control of a Variable-Speed Low Inductance BLDC Motor Drive by Valle, Rodolfo L., De Almeida, Pedro M., Fogli, Gabriel A., Ferreira, Andre A., Barbosa, Pedro G.

“…This paper presents a simple digital control applied to a low inductance 5 kW/48 V three-phase brushless DC motor. Controlling the VSI as a full-bridge…”
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Design Methodology for the DC Link Current Controller of a Series-Connected Offshore Wind Farm With a Droop Control Strategy by Almeida, Andrei O., Almeida, Pedro M., Barbosa, Pedro G.

“…The series-connected offshore wind farm is an emerging configuration where the wind energy conversion units are connected in series through the dc terminals of…”
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Experimental evaluation of negative-sequence voltage compensation in distribution networks by a modular multilevel static synchronous compensator by Duarte, Samuel N., Ghetti, Frederico T., de Almeida, Pedro M., Barbosa, Pedro G.

“…•Positve and negative sequence network voltage compensation strategy.•Modular mulitlevel distribution static synchronous compensator…”
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A control strategy for an offshore wind farm with the generating units connected in series with a VSC-HVDC transmission link by Almeida, Andrei O., Tomim, Marcelo A., Almeida, Pedro M., Barbosa, Pedro G.

“…•High-voltage offshore wind energy conversion systems.•Control strategy for an offshore wind farm with the generating units connected in series with a VSC-HVDC…”
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Modelling and control of an interface power converter for the operation of small diesel gen-sets in grid-connected and stand-alone modes by Fogli, Gabriel A., de Almeida, Pedro M., Barbosa, Pedro G.

“…•Distributed generation based on Diesel genset with flexible operation modes.•Grid-supplying, grid forming and active filter with harmonic current mitigation…”
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A simple dead-time compensation strategy for grid-connected voltage-sourced converters semiconductor switches by Fogli, Gabriel A., Valle, Rodolfo L., de Almeida, Pedro M., Barbosa, Pedro G.

“…•A simple strategy to compensate distorted currents generated by non-linear characteristics.•Feed-forward loop design to compensate dead-time effects based on…”
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Improvement of PV grid-tied inverters operation under asymmetrical fault conditions by Almeida, Pedro M., Monteiro, Karina M., Barbosa, Pedro G., Duarte, Jorge L., Ribeiro, Paulo F.

“…•A novel discrete-time control under asymmetrical fault is proposed.•Comprehensive discrete-time DC-side dynamic model.•Mitigation of DC voltage oscillation…”
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A flexible co-simulation framework for penetration studies of power electronics based renewable sources: A new algorithm for phasor extraction by Theodoro, Thainan S., Tomim, Marcelo A., Barbosa, Pedro G., Lima, Antonio C.S., Correia de Barros, Maria T.

“…•Co-simulation of Electromagnetic Transients (time-domain) and Quasi-static Time Series (frequency-domain).•Phasor extraction based on second order generalized…”
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Comprehensive synchronous reference frame discrete-time modelling of a grid-connected PV for fast DC-side voltage control by Almeida, Pedro M., Barbosa, Pedro G., Duarte, Jorge L., Ribeiro, Paulo F.

“…•Comprehensive discrete-time model.•DC-side voltage non-minimum phase behavior.•Fast DC-side voltage control. This paper presents a novel comprehensive…”
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Comparative Performance of Three Phasor-Extraction Algorithms for Co-simulation of Electrical Power Systems by Theodoro, Thainan S., Barbosa, Pedro G., Tomim, Marcelo A., Lima, Antonio C. S.

“…This work presents a comparison of the three phasor extraction algorithms proposed in the literature for the co-simulation of transient stability and…”
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Enhancing the Performance of Pre-Charging Strategy of a Modular Multilevel Static Synchronous Compensator by Duarte, Samuel N., Almeida, Pedro M., Barbosa, Pedro G.

“…This paper presents an improvement in an energizing strategy for a three-phase four-wire modular multilevel converter connected to an electric network as a…”
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Universal-input integrated LED driver with robust H∞ controller for full-range high power factor and dimming capabilities under low current ripple by Silva, Bruno H. da, Almeida, Pedro S., Soares, Guilherme M., Barbosa, Pedro G., Montagner, Vinícius F., Almeida, Pedro M. de

“…This work proposes a dimmable high-power factor LED driver operating from universal mains voltage range (90–264 V). In order to ensure stability and good…”
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Design Methodology for the DC Link Current Controller of a Series-Connected Offshore Wind Farm by Almeida, Andrei O., Almeida, Pedro M., Barbosa, Pedro G.

“…The series-connected offshore wind farm is an emerging configuration where the wind energy conversion units are connected in series through the dc terminals of…”
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Pulse-Width and Nearest-Level Modulation Strategies Applied to a MMC-Based 12 MW Direct-Drive Wind Energy Conversion System by Almeida, Andrei O., Paulo, Matheus S., Teixeira, Daniel P., Valle, Rodolfo L., Almeida, Pedro M., Barbosa, Pedro G.

“…This paper proposes a 12 MW direct-drive wind energy conversion system, with a 6.6 kV/132 poles permanent magnet synchronous generator, similar to the…”
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Control and analysis of a fault-tolerant offshore HVDC link fed by a bipolar DC collection network by Almeida, Andrei O., Almeida, Pedro M., Barbosa, Pedro G.

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Voltage regulation of a remote microgrid bus with a modular multilevel STATCOM by Duarte, Samuel N., Almeida, Pedro M., Barbosa, Pedro G.

“…This paper presents a strategy to control the voltage at a remote bus of a distribution network by using a modular multilevel static synchronous compensator…”
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Comparative Performance of Direct and Energy-based Controllers to Compensate Internal Currents of Modular Multilevel Converters by Franklin, Lucca R., da Silva, Josue L., Junior, Dalmo C. S., Peralta, Juan A., de Almeida, Pedro M., Barbosa, Pedro G.

“…This paper presents a comparative study between direct and indirect, or energy-based, current controllers to compensate circulating currents of modular…”
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A Smooth Pre-charging Strategy for an Offshore HVDC System Based on Modular Multilevel Converters by Paulo, Matheus S., Duarte, Samuel N., Ghetti, Frederico T., Almeida, Pedro M., Barbosa, Pedro G.

“…This paper presents a soft pre-charging scheme for a modular multilevel converter-based HVDC transmission system used to interconnect an offshore wind farm to…”
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A novel energizing strategy for a grid-connected modular multilevel converter operating as static synchronous compensator by Duarte, Samuel N., de Almeida, Pedro M., Barbosa, Pedro G.

“…•Energizing strategy of grid-connected modular multilevel converter.•Control algorithm to charge the DC capacitor of a voltage source converter connected to…”
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Control algorithm for DSTATCOM to compensate consumer-generated negative and zero sequence voltage unbalance by Duarte, Samuel N., Souza, Bruno C., Almeida, Pedro M., Araujo, Leandro R., Barbosa, Pedro G.

“…•Unbalanced voltage compensation strategy.•Unbalaced voltage assessment responsability.•Distribution Static Synchronous Compensator.•Control algorithm for…”
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