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Operational experience with the scattering matrix arc detection system on the JET ITER-like antenna

  • M. Vrancken
  • , E. Lerche
  • , T. Blackman
  • , P. Dumortier
  • , F. Durodié
  • , M. Evrard
  • , R. H. Goulding
  • , M. Graham
  • , S. Huygen
  • , P. Jacquet
  • , A. Kaye
  • , M. L. Mayoral
  • , M. P.S. Nightingale
  • , J. Ongena
  • , D. Van Eester
  • , M. Van Schoor
  • , M. Vervier
  • , R. Weynants

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

The Scattering Matrix Arc Detection System (SMAD) has been fully deployed on all 4 sets of Resonant Double Loop (RDL), Vacuum Transmission Line (VTL) and Antenna Pressurised Transmission Lines (APTL) of the JET ICRF ITER-Like Antenna (ILA) and this has been indispensable for operating at low (real) T-point impedance values to investigate ELM tolerance. This paper describes the necessity of the SMAD vs VSWR (Voltage Standing Wave Ratio) protection system, SMAD commissioning, problems and a number of typical events detected by the SMAD system during operation on plasma.

Original languageEnglish
Title of host publicationRadio Frequency Power in plasmas - Proceedings of the 18th Topical Conference
Pages237-240
Number of pages4
DOIs
StatePublished - 2009
Event18th Topical Conference on Radio Frequency Power in plasmas - Gent, Belgium
Duration: Jun 24 2009Jun 26 2009

Publication series

NameAIP Conference Proceedings
Volume1187
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference18th Topical Conference on Radio Frequency Power in plasmas
Country/TerritoryBelgium
CityGent
Period06/24/0906/26/09

Keywords

  • Antenna
  • Arc detection
  • ICRF

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