New test results of 170 GHz/1MW/50%/CW gyrotron for ITER

The development of 170 GHz/1 MW/ 50%/CW gyrotron for ITER has been in progress in Russia. Recent test results of the last gyrotron version are presented. Stable output power of 0.5-0.6 MW was obtained for 300-s pulse duration limited by capability of the main power supply of that time. For output po...

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Bibliographische Detailangaben
Hauptverfasser:	Usachev, S.V., Agapova, M.V., Bogdashov, A.A., Chirkov, A.V., Denisov, G.G., Gnedenkov, A.P., Ilyin, V.I., Ilyin, V.N., Kostyna, A.N., Kuftin, A.N., Litvak, A.G., Malygin, V.I., Myasnikov, V.E., Nichiporenko, V.O., Popov, L.G., Soluyanova, E.A., Tai, E.M., Zapevalov, V.E.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Absorption Cathodes Gyrotrons Mirrors Power generation Power measurement Power transmission lines Pulsed power supplies Testing Voltage
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Beschreibung
Zusammenfassung:	The development of 170 GHz/1 MW/ 50%/CW gyrotron for ITER has been in progress in Russia. Recent test results of the last gyrotron version are presented. Stable output power of 0.5-0.6 MW was obtained for 300-s pulse duration limited by capability of the main power supply of that time. For output power of 0.9-0.95 MW the maximal pulse duration of 102 s was mainly limited by instability of gyrotron protection system and imperfection of power transmission line. Total gyrotron efficiency was about 50%. Stray radiation near 5% of radiated power was measured. After testing facility improvement and gyrotron opening and reassembling gyrotron test will be continued.
ISSN:	2162-2027
DOI:	10.1109/ICIMW.2007.4516387