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Optimal Energizing Source Design for Ultra-Fast Actuators
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.ORCID iD: 0000-0003-3515-3536
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
2013 (English)Conference paper, Published paper (Refereed)
Abstract [en]

One of the key enabling technologies for multi-terminal HVDCgrids is the existence of a breaker that can operate withina few milliseconds. A lot of research has been done to builddifferent ultra-fast drives to actuate the electric contacts ofthese breakers. What they all have in common is an operationalefficiency of at best 5 %. Capacitor banks are discharged throughspirally shaped flat coils to generate ultra-fast repulsive forces. Tooptimize the efficiency of the drive, the design of the energizingcircuit is crucial. The aim of this paper is to optimize theenergizing source and provide a deep explanation of the effectof the chosen capacitance and charging voltage for two actuatorconcepts, the Thomson coil (TC) and the double sided coil (DSC)for different stroke requirements. An experimentally validatedmulti-physics finite element method (FEM) simulation model is applied.

Place, publisher, year, edition, pages
2013.
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-138969OAI: oai:DiVA.org:kth-138969DiVA: diva2:681994
Conference
Soft Magnetic Materials 21 Conference; Budapest, Hungary, September 1-4, 2013
Funder
StandUp
Note

NQC 2014

Available from: 2013-12-20 Created: 2013-12-20 Last updated: 2014-05-13Bibliographically approved

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Magnusson, Jesper

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