Measurement of the magnetic field errors on TCV

A set of 24 saddle loops is used on the Tokamak à Configuration Variable (TCV) to measure the radial magnetic flux at different toroidal and vertical positions. The new system is calibrated together with the standard magnetic diagnostics on TCV. Based on the results of this calibration, the effective current in the poloidal field coils and their position is computed. These corrections are then used to compute the distribution of the error field inside the vacuum vessel for a typical TCV discharge. Since the saddle loops measure the magnetic flux at different toroidal positions, the non-axisymmetric error field is also estimated and correlated to a shift or a tilt of the poloidal field coils.


Publié dans:
Fusion Engineering and Design, 85, 5, 739-744
Année
2010
Publisher:
Fusion Engineering and Design
ISSN:
0920-3796
Mots-clefs:
Laboratoires:
SPC
CRPP




 Notice créée le 2011-10-14, modifiée le 2019-12-05

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