ECE for NTM control on ITER

H. Brand, van den, M.R. Baar, de, N.J. Lopes Cardozo, E. Westerhof

Research output: Contribution to journalArticleAcademicpeer-review

3 Citations (Scopus)
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Abstract

Control of Neoclassical Tearing Modes (NTMs) requires an accurate and low latency detection of the mode position. For a burning H-mode ITER plasma, simulations are conducted for both ECE detected via the equatorial port plug and along the line-of-sight of the ECCD launchers. Simulated ECE is detected using synthetic radiometers, with settings chosen to meet the required accuracy. A video bandwidth of 2 kHz is used which allows for an intermediate frequency bandwidth of BIF = 400 MHz for ECE detected via the equatorial port plug. For ECE detected via the ECCD line-of-sight, an intermediate fre- quency bandwidth of 1.5 GHz and 1 GHz for the 2/1 and 3/2 NTM respectively suces for accurate location detection. For both ECE systems, the latency re- quirements for NTM suppression are fullled.
Original languageEnglish
Article number03004
Pages (from-to)1-6
Number of pages6
JournalEPJ Web of Conferences
Volume32
DOIs
Publication statusPublished - 2012

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