autores Afonso, João L. Monteiro, L.F.C. Aredes, M. Luis F. C. Monteiro Aredes, Maurício Pinto, J.G. Exposto, B.F. Pinto, J. G. Afonso, J.L. Bruno Exposto
palavras-chave DSP digital control architecture UPQC active current digital control digital signal processing chips electric current control electrical power system harmonic component compensation load regulation load voltage regulation nonactive current nonsinusoidal voltage-and current condition phase locked loops phase-locked-loop circuit power convertors power factor correction power supply power supply quality power system control power system harmonics series converter series transformer unified power quality conditioner voltage control voltage imbalance