Measured quantities: | plasma current density, total plasma current, plasma position, plasma shape, plasma conductivity, total energy content, MHD instabilities |
Spatial resolution: |
~< 2 mm for plasma position reconstruction ~< 5 mm MHD instabilities, shape and plasma current density distribution
|
Temporal resolution: | < 10 µs |
Responsible person: | J. Havlíček, O. Hronová |
Collaboration: | Culham Centre for Fusion Energy, Abingdon, United Kingdom Consorcio RFX, Padova, Italy |

Name of the coils |
External or internal location with respect to the vessel |
Number of coils |
Purpose of measurement |
Full toroidal loops (Flux loops) |
ext |
8 |
loop voltage and poloidal flux (used for real time cotrol and EFIT) |
Saddle loops |
ext |
22x4 and 2x8 |
the difference in poloidal flux (used for real time cotrol and EFIT) |
Remote loops |
ext |
5 |
loop voltage and poloidal flux |
Diamagnetic loops |
int |
2 |
perpendicular beta |
Diamagnetic compensation loops |
int |
2 |
toroidal field |
FCA coils |
ext |
16x3 |
horizontal, vertical and toroidal magnetic field |
Discrete Mirnov coils |
int |
3x24x3 |
local poloidal, radial and toroidal fields (hence 3 times), 24 at one cross section (used for halo currents study) |
High n coils |
int |
4 |
n-number of MHD instabilities |
Divertor Mirnov coils |
int |
2x8 |
coils imbedded in divertor plates (used for ELMs study) |
Internal Partial Rogowski coils |
int |
16 |
local magnetic field parallel to a vacuum vessel (used for poloidal current density distribution, real time cotrol and EFIT) |
External Partial Rogowski coils |
ext |
16 |
local magnetic field parallel to a vacuum vessel, eddy currents |
Full Rogowski coils |
1 ext and 1 int |
2 |
plasma and vacuum vessel current |