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dc.contributor.authorRouzbehi, Kumars
dc.contributor.authorMiranian, Arash
dc.contributor.authorCandela García, José Ignacio
dc.contributor.authorLuna Alloza, Álvaro
dc.contributor.authorRodríguez Cortés, Pedro
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Enginyeria Elèctrica
dc.identifier.citationRouzbehi, K., Miranian, A., Candela, J., Luna, A., Rodriguez, P. A generalized voltage droop strategy for control of multiterminal DC grids. "IEEE transactions on industry applications", Febrer 2015, vol. 51, núm. 1, p. 607-618.
dc.description.abstractThis paper proposes a generalized voltage droop (GVD) control strategy for dc voltage control and power sharing in voltage source converter (VSC)-based multiterminal dc (MTDC) grids. The proposed GVD control is implemented at the primary level of a two-layer hierarchical control structure of the MTDC grid, and constitutes an alternative to the conventional voltage droop characteristics of voltage-regulating VSC stations, providing higher flexibility and, thus, controllability to these networks. As a difference with other methods, the proposed GVD control strategy can be operated in three different control modes, including conventional voltage droop control, fixed active power control, and fixed dc voltage control, by adjusting the GVD characteristics of the voltage-regulating converters. Such adjustment is carried out in the secondary layer of the hierarchical control structure. The proposed strategy improves the control and power-sharing capabilities of the conventional voltage droop, and enhances its maneuverability. The simulation results, obtained by employing a CIGRE B4 dc grid test system, demonstrate the efficiency of the proposed approach and its flexibility in active power sharing and power control as well as voltage control. In these analysis, it will be also shown how the transitions between the operating modes of the GVD control does not give rise to active power oscillations in the MTDC grids.
dc.format.extent12 p.
dc.subjectÀrees temàtiques de la UPC::Enginyeria electrònica::Electrònica de potència::Convertidors de corrent elèctric
dc.subject.lcshElectric current converters
dc.subject.lcshElectric power distribution
dc.subject.otherCIGRE B4 dc grid test system
dc.subject.othergeneralized voltage droop (GVD) control
dc.subject.othermultiterminal dc (MTDC) grids
dc.subject.otherpower sharing
dc.titleA generalized voltage droop strategy for control of multiterminal DC grids
dc.subject.lemacConvertidors de corrent elèctric
dc.subject.lemacEnergia elèctrica -- Distribució
dc.contributor.groupUniversitat Politècnica de Catalunya. SEER - Sistemes Elèctrics d'Energia Renovable
dc.description.peerreviewedPeer Reviewed
dc.rights.accessOpen Access
dc.description.versionPostprint (author's final draft)
local.citation.authorRouzbehi, K.; Miranian, A.; Candela, J.; Luna, A.; Rodriguez, P.
local.citation.publicationNameIEEE transactions on industry applications

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