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HVDC SuperGrids with modular multilevel converters - The power transmission backbone of the future
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion.
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion.ORCID iD: 0000-0002-8565-4753
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion.ORCID iD: 0000-0002-1755-1365
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2012 (English)In: International Multi-Conference on Systems, Signals and Devices, SSD 2012, IEEE , 2012, 6198119- p.Conference paper, Published paper (Refereed)
Abstract [en]

In order to transmit massive amounts of power generated by remotely located power plants, especially offshore wind farms, and to balance the intermittent nature of renewable energy sources, the need for a stronger high voltage transmission grid is anticipated. Due to limitations in ac power transmission the most likable choice for such a grid is a high-voltage dc (HVDC) grid. However, the concept of the HVDC grid is still under active development as different technical challenges exist, and it is not yet possible to construct such a dc grid. This paper deals with prospects and technical challenges for future HVDC SuperGrids. Different topologies for a SuperGrid and the possibility to use modular multilevel converters (M2Cs) are presented. A comprehensive overview of different submodule implementations of M2C is given as well as a discussion on the choice between cables or overhead lines, the protection system for the dc grid and dc-side resonance issues.

Place, publisher, year, edition, pages
IEEE , 2012. 6198119- p.
Keyword [en]
HVDC grid, Multi-terminal, Multilevel Converters, Power Transmission, Voltage Source Converter (VSC)
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
SRA - Energy
Identifiers
URN: urn:nbn:se:kth:diva-92262DOI: 10.1109/SSD.2012.6198119Scopus ID: 2-s2.0-84861621116ISBN: 978-146731590-6 (print)OAI: oai:DiVA.org:kth-92262DiVA: diva2:513058
Conference
9th International Multi-Conference on Systems, Signals and Devices, SSD 2012;Chemnitz; Germany 20 March 2012 through 23 March 2012
Funder
StandUp
Note

QC 20150708

Available from: 2012-03-30 Created: 2012-03-30 Last updated: 2015-07-08Bibliographically approved

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Norrga, StaffanNee, Hans-Peter

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