A line-interactive UPS system operating with sinusoidal voltage and current references obtained from a self-tuning filter. - Sérgio Augusto Oliveira da Silva; Rodrigo Augusto Modesto; Rodrigo Barriviera; Mauricio dos Santos Kaster (IECON, 2012)

Line-interactive UPS system applied to three-phase four-wire systems with universal filtering capabilities. - Rodrigo Augusto Modesto; Sérgio Augusto Oliveira da Silva; Azauri Albano de Oliveira (ISIE, 2014)

Dynamic Improvement of a UPQC System Operating Under Grid Voltage Sag/Swell Disturbances. - Sérgio Augusto Oliveira da Silva; Rodrigo Augusto Modesto; Leonardo Poltronieri Sampaio; Leonardo Bruno Garcia Campanhol (IEEE Trans. Circuits Syst. II Express Briefs, 2024)