Electrical and thermal analyses for the radio-frequency circuit of ITER NBI ion source

A. Zamengo, M. Recchia, W. Kraus, M. Bigi, C. Martens, V. Toigo

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Abstract

This paper covers specific electrical and thermal aspects of the radio-frequency (RF) circuit which supplies the ion source of the International Thermonuclear Experimental Reactor (ITER) Neutral Beam Injector (NBI). Firstly, a matching circuit for the RF Antennas is presented and a possible solution for the matching components discussed, in relation to the anticipated equivalent circuit parameters of the RF driven plasma. Secondly, the thermal behaviour of the RF transmission line is analyzed, utilising finite element tools, to evaluate the RF line overtemperature under the heaviest foreseen operating conditions. © 2009 A. Zamengo.
Original languageEnglish
Pages (from-to)2025 - 2030
Number of pages6
JournalFusion Engineering and Design
Volume84
Issue number7-11
DOIs
Publication statusPublished - Jun 2009
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Materials Science(all)
  • Nuclear Energy and Engineering
  • Mechanical Engineering

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