ICRF heating for Wendelstein 7-X

Wesner, F.; Hartmann, D. A.; Birus, D.; Braun, F.; Wendorf, F.

doi:10.1016/S0920-3796(03)00126-1

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ICRF heating for Wendelstein 7-X

Wesner, F., Hartmann, D. A., Birus, D., Braun, F., & Wendorf, F. (2003). ICRF heating for Wendelstein 7-X. Fusion Engineering and Design, 66-68, 561-566. doi:10.1016/S0920-3796(03)00126-1.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-0027-3110-E Versions-Permalink: https://hdl.handle.net/11858/00-001M-0000-0027-3111-C

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Urheber:
Wesner, F.¹, Autor
Hartmann, D. A.², Autor
Birus, D.³, Autor
Braun, F.², Autor
Wendorf, F.⁴, Autor

Affiliations:
1External Organizations, ou_persistent22
2Technology (TE), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856318
3W7-X: Magnets and Cryostat (MC), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856304
4Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856284

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Schlagwörter: 22nd Symposium on Fusion Technology (SOFT 2002), Helsinki, 2002-09-09 to 2002-09-13

Zusammenfassung: The stellarator Wendelstein 7-X is being built in Greifswald, Germany, by the Max-Planck-Institut für Plasmaphysik. Initially, the heating system will consist of 10 MW ECRH and 4 MW ICRF heating (both cw) and 5 MW NBI (for 15 s every 3 min). ECRH is the principal heating method at a magnetic field of B=2.5 T. At other magnetic fields or densities higher than the ECRH cutoff, ICRF heating will sustain the plasmas. The ICRF system is planned to consist of two radially movable antennas powered by two generators with an output power of 2 MW each. The antenna plasma load will be matched in real time to the generator impedance using ferrite loaded transmission line elements. In addition, 3 dB couplers will passively protect the generators from RF power reflections during rapid changes of the antenna plasma load that are too fast for the ferrite matching system.