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A model-based controller for a three-phase four-wire shunt active filter
(2006)
"En los sistemas de distribución de energía el eléctrica típicos es común encontrar cargas de tipo monofásico. Sin embargo estos sistemas son generalmente desbalanceados, debido a que la cargas son desigualmente distribuidas ...
Controller for the three-phase cascade multilevel converter used as shunt active filter in unbalanced operation with guaranteed capacitors voltages balance
(2013-02)
"The present invention comprises a controller for the cascade H-bridge three-phase multilevel converter used as a shunt active filter. Based on the proposed mathematical model, the controller is designed to compensate ...
Fixed reference frame phase-locked loop (FRF-PLL) for unbalanced line voltage conditions
(2008-10)
"The present invention relates to a system to implement a phase-locked loop (PLL) which is able to provide an estimation of the angular frequency, and both the positive and negative sequences of the fundamental component ...