Control of a three-phase AC/DC VIENNA converter based on the sliding mode loss-free resistor approach

Freddy Flores-Bahamonde, Hugo Valderrama-Blavi, Luis Martínez-Salamero, Javier Maixé-Altés, Germain García

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

39 Citas (Scopus)


The three-phase VIENNA rectifier supplying a regulated DC bus in a micro-grid architecture is controlled in this study by means of a sliding-mode regulation loop,which imposes a loss-free resistor (LFR) behaviour in each phase for power factor correction. Assuming equal parameters per phase and that the intermediate node between the output capacitors of the DC link is the neutral point of the AC generator, the rectifier can then be modelled as a tetra-port LFR with three decoupled resistive input ports and one output port characterised by a power source representing the input power absorbed by the rectifier. After demonstrating that the resulting sliding dynamics are globally stable, the control is analogically executed, this only requiring an analogue multiplier, several operational amplifiers and some auxiliary digitally implemented logic circuitry. Experimental results for different power levels and frequencies supplied by a low-power wind generator are in perfect agreement with the theoretical predictions.

Idioma originalInglés
Páginas (desde-hasta)1073-1082
Número de páginas10
PublicaciónIET Power Electronics
EstadoPublicada - 2014
Publicado de forma externa

Áreas temáticas de ASJC Scopus

  • Ingeniería eléctrica y electrónica


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