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Progress in the Development of a 1.5 MW, 140 GHz Gyrotron for the Upgrade of the ECRH System at W7-X

Avramidis, Konstantinos A.; Ioannidis, Zisis C.; Aiello, Gaetano ORCID iD icon; Chelis, Ioannis; Dinklage, Andreas; Gantenbein, Gerd; Illy, Stefan; Jin, Jianbo; Laqua, Heinrich P.; Marek, Alexander ORCID iD icon; Marsen, Stefan; Noke, Frank; Pagonakis, Ioannis Gr.; Ruess, Tobias ORCID iD icon; Rzesnicki, Tomasz; Scherer, Theo; Stange, Torsten; Strauss, Dirk; Thumm, Manfred; ... mehr

Abstract (englisch):

Following the outstanding results from the first experimental period (OP1) of the stellarator Wendelstein 7-X [1-6], and in view of the second experimental period (OP2; planned to begin in 2021), an upgrade of the Electron Cyclotron Resonance Heating (ECRH) installation is underway. A major target of the upgrade is to increase the installed microwave power. To this end, a prototype Continuous-Wave (CW) 1.5 MW, 140 GHz gyrotron is under development, which is planned to be followed by two additional series tubes. In order to keep the risk and cost of the development as low as possible, the design of the 1.5 MW gyrotron is regarded as an upgrade of the successful design of the existing 1 MW, 140 GHz gyrotrons at W7-X [7]. The scientific design of the 1.5 MW tube has been realized by KIT with contributions from IPP and NKUA. The design will be provided to the industrial partner, in order to fully develop and manufacture the prototype. In parallel, a short-pulse mock-up gyrotron, which has an identical scientific design to that of the 1.5 MW CW prototype, is also under development at KIT. This gyrotron is planned to support the development of the prototype and to mitigate the risks by providing the means for the experimental validation of the scientific design of all critical components. ... mehr

Zugehörige Institution(en) am KIT Institut für Angewandte Materialien – Angewandte Werkstoffphysik (IAM-AWP)
Institut für Hochleistungsimpuls- und Mikrowellentechnik (IHM)
Publikationstyp Vortrag
Publikationsjahr 2019
Sprache Englisch
Identifikator KITopen-ID: 1000097205
HGF-Programm 31.03.02 (POF III, LK 01) Plasma Heizsysteme
Weitere HGF-Programme 31.03.05 (POF III, LK 01) Port- und Plant Engineering
Veranstaltung Workshop on RF Heating Technology of Fusion Plasmas (US-EU-JPN RF Heating Technology Workshop) (2019), Freiburg im Breisgau, Deutschland, 09.09.2019 – 12.09.2019
Projektinformation EUROfusion_H2020 (EU, H2020, 633053)
KIT – Die Forschungsuniversität in der Helmholtz-Gemeinschaft
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