Steady State Operation of High Power Gyrotron for ITER

Atsushi Kasugai,K Kajiwara,Koji Takahashi,Noriyuki Kobayashi,Tsuyoshi Kariya,Yoshika Mitsunaka,Keishi Sakamoto

Kitakyushu（2007）

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摘要

A steady-state operation of 1 MW/800 s with the efficiency of 55%, which exceeded 1 MW/400 s of the performance required in ITER, was demonstrated in 170 GHz gyrotron. The oscillation characteristics in the long pulse operation was clarified, and the advanced operation scenario of the gyrotron to the high efficiency oscillation was newly established by controlling a pitch factor of the electron beam and the cavity magnetic field in the long pulse operation. In the long pulse experiment, the steady state operation of 1 hour with the output power of 0.6 MW was also demonstrated.

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关键词

cavity resonators,electron beams,gyrotrons,millimetre wave oscillators,iter,international thermonuclear experimental reactor,efficiency,efficiency 55 percent,frequency 170 ghz,high power gyrotron,oscillation characteristics,power 0.6 mw,steady state operation,eccd,ech,fusion,gyrotron,high efficiency,magnetic field,diffraction,steady state,power generation,heating,radio frequency,electron beam,gaussian processes,oscillations

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