Tracking of the magnet system geometry during Wendelstein 7-X construction to achieve the designed magnetic field
Wendelstein 7-X, currently under commissioning at the Max-Planck-Institut für Plasmaphysik in Greifswald, Germany, is a modular advanced stellarator, combining the modular coil concept with optimized properties of the plasma. Most of the envisaged magnetic configurations of the machine are rather se...
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Veröffentlicht in: | Nuclear fusion 2015-06, Vol.55 (6), p.63025-6 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Wendelstein 7-X, currently under commissioning at the Max-Planck-Institut für Plasmaphysik in Greifswald, Germany, is a modular advanced stellarator, combining the modular coil concept with optimized properties of the plasma. Most of the envisaged magnetic configurations of the machine are rather sensitive to symmetry breaking perturbations which are the consequence of unavoidable manufacturing and assembly tolerances. This overview describes the successive tracking of the Wendelstein 7-X magnet system geometry starting from the manufacturing of the winding packs up to the modelling of the influence of operation loads. The deviations found were used to calculate the resulting error fields and to compare them with the compensation capacity of the trim coils. |
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ISSN: | 0029-5515 1741-4326 |
DOI: | 10.1088/0029-5515/55/6/063025 |