Characterisation of the sub-harmonic arc detection system on JET ITER-like antenna

P. Jacquet, G. Berger-By, V. Bobkov, T. Blackman, F. Durodié, M. L. Mayoral, M. Nightingale

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

Abstract

A Sub-Harmonic Arc Detection (SHAD) system has been installed on the transmission lines feeding the JET ICRF ITER-like-Antenna (ILA). Along with the commissioning of SHAD, extensive measurements of the RF field in the transmission lines were carried-out using fast sampling (125 Mb/s) oscilloscopes. The system is described, and the SHAD ability to detect arcs during ILA operation (in particular on ELMy H modes) is discussed. Overall, SHAD proved to be efficient, and in some conditions it can offer extra protection in complement to other arc detection systems.

Original languageEnglish
Title of host publicationRadio Frequency Power in plasmas - Proceedings of the 18th Topical Conference
Pages241-244
Number of pages4
DOIs
Publication statusPublished - 2009
Event18th Topical Conference on Radio Frequency Power in plasmas - Gent, Belgium
Duration: 24 Jun 200926 Jun 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
Period24/06/0926/06/09

Keywords

  • Antenna
  • Arc protection
  • ICRF
  • JET
  • Tokamak

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