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High-power test of the all-metal supports for a center conductor of an ITER ICRF antenna

S Moriyama, H Kimura, T Fujii, M Saigusa, K Ohta1999年Fusion Engineering and DesignIF 1.7出版社

AbstractTwo full-sized mock-ups of the all-metal antenna supports (AMSs) for a center conductor of an ITER ICRF antenna are designed, fabricated, and tested to confirm the high-voltage capability of the antenna. The RF voltage stand-off achieved at the AMSs, i.e. 55 kV at 60 MHz, meets the requirement of the ITER ICRF system. In addition, the RF characteristics of the pair of mock-ups connected by a coaxial line are measured to determine the optimum coaxial line length between the two AMSs in the antenna system. This work is carried out as R&D on the ITER engineering design activity (EDA).

日本語訳

ITER ICRFアンテナの中心導体用全金属アンテナ支持体(AMS)の実寸大モックアップ2基を設計・製作し、アンテナの高電圧性能を確認するための試験を実施した。AMSで達成されたRF電圧耐量、すなわち60 MHzにおける55 kVは、ITER ICRFシステムの要求を満たすものである。さらに、同軸線路で接続された2基のモックアップのRF特性を測定し、アンテナシステムにおける2つのAMS間の最適な同軸線路長を決定した。この作業は、ITER工学設計活動(EDA)における研究開発として実施された。

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