Abstract
In Russia gyrotrons are developed in cooperation of three institutions: Institute of Applied Physics, Russian Academy of Sciences, Nizhny Novgorod, Industrial company GYCOM Ltd, Nizhny Novgorod, and Kurchatov Institute, Moscow. During last year several new gyrotrons were designed and tested by Russian gyrotron team. Main efforts were spent for elaboration of 170GHz/1MW/50%/CW gyrotron for ITER project and multi-frequency gyrotrons. There are also several new other gyrotrons developed and delivered to tokamaks and stellarators.
Highlights
Electron cyclotron systems of fusion installations are based on powerful millimetre wave sources – gyrotrons, which are capable to produce microwave power up to 1 MW in very long pulses
Main efforts were spent for development 170GHz/1MW/50%/CW gyrotron for ITER and multi-frequency gyrotrons
The industrial gyrotron prototype for ITER operates at very high order mode TE25.10 which allows efficient cooling of the cavity walls
Summary
Electron cyclotron systems of fusion installations are based on powerful millimetre wave sources – gyrotrons, which are capable to produce microwave power up to 1 MW in very long pulses. The industrial gyrotron prototype for ITER operates at very high order mode TE25.10 which allows efficient cooling of the cavity walls. 80kV/50A main power supply of the new test facility will provide gyrotron operation in CW regime at megawatt power. The industrial production prototypes of the ITER gyrotron were tested at power 1.0 MW up to 1000 second pulse duration. The last gyrotron version operates in LHe-free magnet (see Fig.[1]).
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