Interface Issues Associated with the ITER ECH System (Contributo in atti di convegno)

Type
Label
  • Interface Issues Associated with the ITER ECH System (Contributo in atti di convegno) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Henderson M. A., Saibene G., Bonicelli T., Chavan R., Farina D., Fasel D., Heidinger R., Poli E., Ramponi G., Sauter O., Zohm H. (2007)
    Interface Issues Associated with the ITER ECH System
    in Proc. 4th IAEA Technical Meeting on "ECRH Physics and Technology for ITER", Vienna, 6-8 June 2007
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Henderson M. A., Saibene G., Bonicelli T., Chavan R., Farina D., Fasel D., Heidinger R., Poli E., Ramponi G., Sauter O., Zohm H. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • Articolo numero 37 nel libro degli abstracts di cui al link sopra riportato (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www-naweb.iaea.org/napc/physics/meetings/4ECRH/BoA_ECRH_final%2030.05%20.pdf (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto di Fisica del Plasma, CNR Milano, ed altri istituti di ricerca (literal)
Titolo
  • Interface Issues Associated with the ITER ECH System (literal)
Abstract
  • The ITER ECH system, is an in kind procurement consisting of four different types of gyrotrons (from EU, IN, JA and RF), transmission lines (from US) and two launcher (from EU and US). Each of these subsystems has to interface not only between themselves but also with the ITER auxiliary and control systems as well as with the plasma (in the case of the launcher). The definition and management of interfaces is therefore essential for the system to guarantee the required performance, availability and reliability and proper description of each interface boundary is essential for assembly and operation of the entire system as a single unit. In addition, the present ITER ECH system was essentially specified prior to 2000, since then progress has been made in the development of high power, long pulse systems and associated components. The ultimate physics performance and operational reliability is limited by this older technology, which has not taken advantage of the knowledge and experience gained in operating the multi-megawatt ECH systems on present tokamaks and stellarators. The objective of this paper is to review the present ITER ECH system, which includes the power supplies, gyrotrons, transmission lines and launchers. Then propose modifications that are performance driven and engineered for reliability and maintainability, while reducing the complexity and costs. Potential operating scenarios will be discussed that require an intelligent and automatic decision making process, for example directing the EC power to either of the two EC launchers based on the immediate physics requirements. The interfaces between the subsystems will be described and when possible improvements to each interface will be proposed (literal)
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