Improvement of the Power Handling Capability of the Upgraded Multi-Frequency ECRH System at ASDEX Upgrade

被引：0

作者：

Wagner, D. ^{[1
]}

Stober, J. ^{[1
]}

Kircher, M. ^{[1
]}

Leuterer, F. ^{[1
]}

Monaco, F. ^{[1
]}

Muenich, M. ^{[1
]}

Schubert, M. ^{[1
]}

Zohm, H. ^{[1
]}

Gantenbein, G. ^{[2
]}

Jelonnek, J. ^{[2
]}

Thumm, M. ^{[2
]}

Meier, A. ^{[3
]}

Scherer, T. ^{[3
]}

Strauss, D. ^{[3
]}

Kasparek, W. ^{[4
]}

Lechte, C. ^{[4
]}

Plaum, B. ^{[4
]}

Zach, A. ^{[4
]}

Litvak, A. G. ^{[5
]}

Denisov, G. G. ^{[5
]}

Chirkov, A. ^{[5
]}

Malygin, V ^{[5
]}

Popov, L. G. ^{[6
]}

Nichiporenko, V. O. ^{[6
]}

Myasnikov, V. E. ^{[6
]}

Tai, E. M. ^{[6
]}

Solyanova, E. A. ^{[6
]}

机构：

[1] Max Planck Inst Plasma Phys, Boltzmannstr 2, D-85748 Garching, Germany

[2] Karlsruher Inst Technol, Inst Hochleistungsimpuls & Mikrowellentech, Kaiserstr 12, D-76131 Karlsruhe, Germany

[3] Karlsruher Inst Technol, Inst Angew Mat AWP, Kaiserstr 12, D-76131 Karlsruhe, Germany

[4] Univ Stuttgart, Inst Grenzflachenverfahrenstech & Plasmatechnol, Pfaffenwaldring 31, D-70569 Stuttgart, Germany

[5] RAS, Inst Appl Phys, 46 Ulyanov St, Nizhnii Novgorod 603950, Russia

[6] GYCOM Ltd, 46 Ulyanov St, Nizhnii Novgorod 603155, Russia

来源：

2020 45TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) | 2020年

关键词：

D O I：

10.1109/IRMMW-THZ46771.2020.9370713

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

8 gyrotrons are in routine operation in the Electron Cyclotron Resonance Heating (ECRH) system at the ASDEX Upgrade tokamak. 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. The transmission lines are operating in air and transmission at maximum power levels was limited by arcing in the past. Several measures led to a significant improvement of the power handling capability of the transmission lines.

引用

页数：2

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