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Design Aspects of a Medium Voltage Hybrid DC Breaker
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.ORCID iD: 0000-0003-3515-3536
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
Universitat Politècnica de Catalunya.
2014 (English)In: 5th IEEE/PES Innovative Smart Grid Technologies Europe (ISGT EUROPE) 2014, 2014Conference paper, Published paper (Refereed)
Abstract [en]

With increased demands on energy efficiency and stability, the use of direct current (DC) will have a natural place in the future smart grid. Today DC is mostly used in high voltage, high power transmission over large distances and in low voltage systems where the demands on reliability are high, e.g. data centres. New applications as wind farm collection grids and a desire to replace over-head lines with cables opens possibilities for DC distribution grids in medium voltage.The use of DC grids will require the development of DC breakers to handle fault in the grid. This paper presents the design aspects of a hybrid DC breaker for a medium voltage application. Since the hybrid topology consists of a mechanical switch as well as semiconductor components and metal oxide varistors, the design must handle trade-offs in performance and cost both for each part and also between the different components.

Place, publisher, year, edition, pages
2014.
Keyword [en]
DC-Breaker, Hybrid Breaker, Solid-State Circuit Breaker, DC grids, Varistor, Design
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-156422DOI: 10.1109/ISGTEurope.2014.7028737OAI: oai:DiVA.org:kth-156422DiVA: diva2:766703
Conference
ISGT Europe 2014
Projects
STandUPSwegridsKIC Innoenergy ESPE
Note

QC 20150410

Available from: 2014-11-28 Created: 2014-11-28 Last updated: 2015-04-10Bibliographically approved

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Magnusson, Jesper

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Output format
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