Study of the ITER ICRH system with external matching by means of a mock-up loaded by a variable water load

Publikation: Beitrag in Buch/Bericht/KonferenzbandKonferenzbeitragBegutachtung

Abstract

A mock-up of the complete antenna array (24 straps grouped in 8 triplets) of the ICRH system with external matching for ITER has been constructed with a length reduction factor of 5. At a frequency increased by the same factor the electrical properties of the full-scale system can be measured. A movable water tank in front of the array simulates variable plasma loading. Measurements of the matching performances of various external circuit configurations and of the scattering matrix of the system show (i) the non-negligible effect of mutual coupling on load resilient matching by Conjugate-T (CT) or hybrid leading to coupling between the matching actuators and the generators and asymmetry in power distribution, (ii) good load resilience of a single CT for the right choice of configuration and number of matching parameters, (iii) the large number of matching solutions for coupled CT's, (iv) the benefit of passive power distribution to the straps.

OriginalspracheEnglisch
TitelRADIO FREQUENCY POWER IN PLASMAS
Untertitel16th Topical Conference on Radio Frequency Power in Plasmas
Seiten198-201
Seitenumfang4
DOIs
PublikationsstatusVeröffentlicht - 26 Sept. 2005
VeranstaltungRADIO FREQUENCY POWER IN PLASMAS: 16th Topical Conference on Radio Frequency Power in Plasmas - Park City, UT, USA/Vereinigte Staaten
Dauer: 11 Apr. 200513 Apr. 2005

Publikationsreihe

NameAIP Conference Proceedings
Band787
ISSN (Print)0094-243X
ISSN (elektronisch)1551-7616

Konferenz

KonferenzRADIO FREQUENCY POWER IN PLASMAS: 16th Topical Conference on Radio Frequency Power in Plasmas
Land/GebietUSA/Vereinigte Staaten
OrtPark City, UT
Zeitraum11/04/0513/04/05

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