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Robust high-order repetitive control of an active filter using an odd-harmonic internal model
Ramos Fuentes, Germán Andrés; Costa Castelló, Ramon; Olm Miras, Josep Maria; Cardoner Parpal, Rafel
Universitat Politècnica de Catalunya. Institut d'Organització i Control de Sistemes Industrials; Universitat Politècnica de Catalunya. Departament de Matemàtica Aplicada IV; Universitat Politècnica de Catalunya. Departament d'Enginyeria de Sistemes, Automàtica i Informàtica Industrial; Universitat Politècnica de Catalunya. ACES - Control Avançat de Sistemes d´Energia
Shunt active power filters have proven to be an efficient means to compensate for the negative effects of nonlinear and reactive loads on the power quality of the electrical distribution network. In this context, the control objective is to achieve a power factor close to 1, as well as load current harmonics and reactive power compensation. A useful control strategy for this purpose is repetitive control. However, the performance of repetitive controllers is strongly affected by frequency variations of the involved signals. This work analyzes the effect of such variations and describes the architecture of an odd-harmonic, high-order repetitive controller specifically designed to obtain robust closed-loop performance against frequency variations that may occur in the electrical network.
Àrees temàtiques de la UPC::Informàtica::Automàtica i control
Control theory
Current harmonics compensation
Digital repetitive control
Shunt active filters
Control, Teoria de
Sistemes de control digital
Filtres actius
Classificació INSPEC::Control theory::Compensation
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