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Frequency-adaptive virtual flux estimation for grid synchronization under unbalanced conditions
dc.contributor.author | Suul, Jon Are |
dc.contributor.author | Luna Alloza, Álvaro |
dc.contributor.author | Rodríguez Cortés, Pedro |
dc.contributor.author | Undeland, Tore |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament d'Enginyeria Elèctrica |
dc.date.accessioned | 2011-02-18T07:55:12Z |
dc.date.available | 2011-02-18T07:55:12Z |
dc.date.created | 2011 |
dc.date.issued | 2011 |
dc.identifier.citation | Suul, J. [et al.]. Frequency-adaptive virtual flux estimation for grid synchronization under unbalanced conditions. A: Conference of the IEEE Industrial Electronics Society. "36th Annual Conference of the IEEE Industrial Electronics Society". Phoenix: 2011, p. 486-492. |
dc.identifier.uri | http://hdl.handle.net/2117/11424 |
dc.description.abstract | This paper proposes a new and explicitly frequencyadaptive method for Virtual Flux estimation and voltage sensorless grid synchronization under unbalanced conditions. The proposed system is based on using Second Order Generalized Integrators, arranged to simultaneously fulfill the purposes of frequency-adaptive band-pass filtering, integration and quadrature signal generation. This results in a simple and efficient structure for combined Virtual Flux estimation and separation into positive and negative sequence components. The properties of the proposed Virtual Flux model is analyzed theoretically, first as an integrator for implementing generic Virtual Flux estimation, and then with respect to sequence separation. The dynamic performance of the proposed estimation method is tested by simulations for the case of an unbalanced voltage drop in the grid and for a step in grid frequency. The simulations verify the performance to be as expected, with similar dynamics as synchronization based on voltage measurements. |
dc.format.extent | 7 p. |
dc.language.iso | eng |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Spain |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
dc.subject | Àrees temàtiques de la UPC::Enginyeria electrònica::Electrònica de potència |
dc.subject.lcsh | Electric power systems |
dc.subject.lcsh | Electric current converters |
dc.title | Frequency-adaptive virtual flux estimation for grid synchronization under unbalanced conditions |
dc.type | Conference report |
dc.subject.lemac | Electrònica de potència |
dc.subject.lemac | Convertidors de corrent elèctric |
dc.contributor.group | Universitat Politècnica de Catalunya. SEER - Sistemes Elèctrics d'Energia Renovable |
dc.description.peerreviewed | Peer Reviewed |
dc.relation.publisherversion | http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5674924&tag=1 |
dc.rights.access | Open Access |
local.identifier.drac | 5049972 |
dc.description.version | Postprint (published version) |
local.citation.author | Suul, J.; Luna, A.; Rodriguez, P.; Undeland, T. |
local.citation.contributor | Conference of the IEEE Industrial Electronics Society |
local.citation.pubplace | Phoenix |
local.citation.publicationName | 36th Annual Conference of the IEEE Industrial Electronics Society |
local.citation.startingPage | 486 |
local.citation.endingPage | 492 |