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Optimal H-infinity control design for MMC-based HVDC links
dc.contributor.author | Dadjo Tavakoli, Saman |
dc.contributor.author | Fekriasl, Sajjad |
dc.contributor.author | Prieto Araujo, Eduardo |
dc.contributor.author | Beerten, Jef |
dc.contributor.author | Gomis Bellmunt, Oriol |
dc.contributor.other | Universitat Politècnica de Catalunya. Doctorat en Enginyeria Elèctrica |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament d'Enginyeria Elèctrica |
dc.date.accessioned | 2022-03-29T10:56:47Z |
dc.date.available | 2022-03-29T10:56:47Z |
dc.date.issued | 2021-04-06 |
dc.identifier.citation | Dadjo, S. [et al.]. Optimal H-infinity control design for MMC-based HVDC links. "IEEE transactions on power delivery", 6 Abril 2021, vol. 37, núm. 2, p. 786-797. |
dc.identifier.issn | 0885-8977 |
dc.identifier.uri | http://hdl.handle.net/2117/364955 |
dc.description | © 2021 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting /republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works |
dc.description.abstract | The modular multilevel converter (MMC) has emerged as the preferred choice for voltage source converter (VSC)-based high voltage direct current (HVDC) systems due to its low losses, low harmonic distortion, modularity, and redundancy. These advantages come at the expense of a complex control system with the strong coupling among its control variables, which complicates the design procedure of both its individual control loops and the DC link controllers. In fact, the performance improvement of a control loop could lead to degraded performance of other loops. Hence, to deal with such a complex dynamic system, this article suggests adopting multivariable H optimal control techniques in order to ensure stability and optimized performance of a VSC-HVDC link. First, a full-order, centralized multi-input-multi-output (MIMO) controller is derived based on H optimization and used as a benchmark for the system performance level. Then, a fixed-structure, decentralized MIMO controller is synthesized to make a compromise between the optimal performance and feasibility of practical implementation. Finally, simulations are conducted to evaluate and compare the performance and robustness degradation due to the migration from a high-order, centralized controller towards a low-order, decentralized controller. |
dc.format.extent | 12 p. |
dc.language.iso | eng |
dc.publisher | Institute of Electrical and Electronics Engineers (IEEE) |
dc.rights | © 2021. IEEE |
dc.subject | Àrees temàtiques de la UPC::Enginyeria elèctrica |
dc.subject.lcsh | Electric current converters |
dc.subject.other | H-infinity optimization |
dc.subject.other | HVDC |
dc.subject.other | MMC |
dc.subject.other | VSC |
dc.subject.other | Robust multivariable control |
dc.subject.other | Robustness |
dc.title | Optimal H-infinity control design for MMC-based HVDC links |
dc.type | Article |
dc.subject.lemac | Convertidors de corrent elèctric |
dc.contributor.group | Universitat Politècnica de Catalunya. CITCEA - Centre d'Innovació Tecnològica en Convertidors Estàtics i Accionaments |
dc.identifier.doi | 10.1109/TPWRD.2021.3071211 |
dc.description.peerreviewed | Peer Reviewed |
dc.relation.publisherversion | https://ieeexplore.ieee.org/abstract/document/9397287 |
dc.rights.access | Open Access |
local.identifier.drac | 32072542 |
dc.description.version | Postprint (author's final draft) |
dc.relation.projectid | info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-095429-B-I00/ES/CONTROL DE UNA RED DE MULTIPLES REDES AC Y DC INTERCONECTADAS CON CONVERTIDORES DE POTENCIA/ |
dc.relation.projectid | info:eu-repo/grantAgreement/EC/H2020/765585/EU/Innovative tools for offshore wind and DC grids/InnoDC |
local.citation.author | Dadjo, S.; Fekriasl, S.; Prieto-Araujo, Eduardo; Beerten, J.; Gomis-Bellmunt, O. |
local.citation.publicationName | IEEE transactions on power delivery |
local.citation.volume | 37 |
local.citation.number | 2 |
local.citation.startingPage | 786 |
local.citation.endingPage | 797 |
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