Completion of the 8 MW Multi-Frequency ECRH System at ASDEX Upgrade
Autor: | M. Kircher, M. Schubert, E. A. Solyanova, F. Leuterer, Andreas Meier, Burkhard Plaum, Dirk Strauss, Aleksandr Grigorievich Litvak, Carsten Lechte, V. E. Myasnikov, T.A. Scherer, L. G. Popov, E. M. Tai, John Jelonnek, G. G. Denisov, V. I. Malygin, G. Gantenbein, M. Münich, Manfred Thumm, J. Stober, H. Zohm, D. Wagner, W. Kasparek, A. V. Chirkov, V. O. Nichiporenko, F. Monaco, A. Zach |
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Přispěvatelé: | ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society |
Jazyk: | angličtina |
Rok vydání: | 2019 |
Předmět: |
010302 applied physics
Technology Tokamak Materials science business.industry Terahertz radiation Pulse duration 01 natural sciences Electron cyclotron resonance law.invention Power (physics) 010309 optics Optics Electric power transmission Electricity generation ASDEX Upgrade law 0103 physical sciences business ddc:600 |
Zdroj: | 2019 44th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz) |
ISSN: | 2162-2027 |
Popis: | Over the last 15 years, the Electron Cyclotron Resonance Heating (ECRH) system at the ASDEX Upgrade tokamak has been upgraded from a 2 MW, 2 s, 140 GHz system to an 8 MW, 10 s, dual frequency system (105/140 GHz). Eight gyrotrons were in routine operation during the current experimental campaign. All gyrotrons are step-tunable operating at 105 and 140 GHz with a maximum output power of about 1 MW and 10 s pulse length. The system includes 8 transmission lines, mainly consisting of oversized corrugated waveguides (I.D. = 87 mm) with overall lengths between 50 and 70 meters including quasi-optical sections at both ends. Further improvements of the transmission lines with respect to power handling and reliability are underway. |
Databáze: | OpenAIRE |
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