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Impedance-compensated grid synchronisation for extending the stability range of weak grids with voltage source converters
dc.contributor.author | Suul, Jon Are |
dc.contributor.author | D'Arco, Salvatore |
dc.contributor.author | Rodríguez Cortés, Pedro |
dc.contributor.author | Molinas Cabrera, Marta |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament d'Enginyeria Elèctrica |
dc.date.accessioned | 2017-01-12T11:56:59Z |
dc.date.available | 2017-01-12T11:56:59Z |
dc.date.issued | 2016-05-12 |
dc.identifier.citation | Suul, J., D'Arco, S., Rodriguez, P., Molinas, M. Impedance-compensated grid synchronisation for extending the stability range of weak grids with voltage source converters. "IET generation, transmission and distribution", 12 Maig 2016, vol. 10, núm. 6, p. 1315-1326. |
dc.identifier.issn | 1751-8687 |
dc.identifier.uri | http://hdl.handle.net/2117/99088 |
dc.description.abstract | This paper demonstrates how the range of stable power transfer in weak grids with voltage source converters (VSCs) can be extended by modifying the grid synchronisation mechanism of a conventional synchronous reference frame phase locked loop (PLL). By introducing an impedance-conditioning term in the PLL, the VSC control system can be virtually synchronised to a stronger point in the grid to counteract the instability effects caused by high grid impedance. To verify the effectiveness of the proposed approach, the maximum static power transfer capability and the small-signal stability range of a system with a VSC HVDC terminal connected to a weak grid are calculated from an analytical model with different levels of impedance-conditioning in the PLL. Such calculations are presented for two different configurations of the VSC control system, showing how both the static power transfer capability and the small-signal stability range can be significantly improved. The validity of the stability assessment is verified by time-domain simulations in the Matlab/Simulink environment. |
dc.format.extent | 12 p. |
dc.language.iso | eng |
dc.subject | Àrees temàtiques de la UPC::Enginyeria elèctrica::Maquinària i aparells elèctrics |
dc.subject.lcsh | Power electronics |
dc.subject.other | synchronisation |
dc.subject.other | HVDC power convertors |
dc.subject.other | phase locked loops |
dc.subject.other | power grids |
dc.title | Impedance-compensated grid synchronisation for extending the stability range of weak grids with voltage source converters |
dc.type | Article |
dc.subject.lemac | Electrònica de potència |
dc.contributor.group | Universitat Politècnica de Catalunya. SEER - Sistemes Elèctrics d'Energia Renovable |
dc.identifier.doi | 10.1049/iet-gtd.2015.0879 |
dc.description.peerreviewed | Peer Reviewed |
dc.relation.publisherversion | http://ieeexplore.ieee.org.recursos.biblioteca.upc.edu/stamp/stamp.jsp?arnumber=7467053 |
dc.rights.access | Open Access |
local.identifier.drac | 19376024 |
dc.description.version | Postprint (published version) |
local.citation.author | Suul, J.; D'Arco, S.; Rodriguez, P.; Molinas, M. |
local.citation.publicationName | IET generation, transmission and distribution |
local.citation.volume | 10 |
local.citation.number | 6 |
local.citation.startingPage | 1315 |
local.citation.endingPage | 1326 |
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