Multi-resonant frequency-locked loop for grid synchronization of power converters under distorted grid conditions

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dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Elèctrica
dc.contributor	Universitat Politècnica de Catalunya. SEER - Sistemes Elèctrics d'Energia Renovable
dc.contributor.author	Rodríguez Cortés, Pedro
dc.contributor.author	Luna Alloza, Álvaro
dc.contributor.author	Candela García, José Ignacio
dc.contributor.author	Mujal-Rosas, Ramon Maria
dc.contributor.author	Teodorescu, Remus
dc.contributor.author	Blaabjerg, F.
dc.date	2011-01
dc.identifier.citation	Rodriguez, P. [et al.]. Multi-resonant frequency-locked loop for grid synchronization of power converters under distorted grid conditions. "IEEE transactions on industrial electronics", Gener 2011, vol. 58, núm. 1, p. 127-138.
dc.identifier.citation	0278-0046
dc.identifier.citation	10.1109/TIE.2010.2042420
dc.identifier.uri	http://hdl.handle.net/2117/11585
dc.language.iso	eng
dc.publisher	IEEE Press. Institute of Electrical and Electronics Engineers
dc.relation	http://vbn.aau.dk/en/publications/multiresonant-frequencylocked-loop-for-grid-synchronization-of-power-converters-under-distorted-grid-conditions(0b75c5ca-4f3d-4a62-bc65-fa1b745caace).html
dc.rights	Attribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Enginyeria electrònica::Electrònica de potència::Convertidors de corrent elèctric
dc.subject	Àrees temàtiques de la UPC::Enginyeria electrònica::Electrònica de potència::Convertidors de corrent elèctric
dc.subject	Electric current converters
dc.subject	Power electronics
dc.subject	Convertidors de corrent elèctric
dc.subject	Sistemes elèctrics de potència
dc.title	Multi-resonant frequency-locked loop for grid synchronization of power converters under distorted grid conditions
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	This paper presents a new multiresonant frequencyadaptive synchronization method for grid-connected power converters that allows estimating not only the positive- and negative-sequence components of the power signal at the fundamental frequency but also other sequence components at other harmonic frequencies. The proposed system is calledMSOGI-FLL since it is based on both a harmonic decoupling network consisting of multiple second-order generalized integrators (MSOGIs) and a frequency-locked loop (FLL), which makes the system frequency adaptive. In this paper, the MSOGI-FLL is analyzed for singleand three-phase applications, deducing some key expressions regarding its stability and tuning. Moreover, the performance of the MSOGI-FLL is evaluated by both simulations and experiments to show its capability for detecting different harmonic components in a highly polluted grid scenario.
dc.description.abstract	Peer Reviewed

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