Plasma parameters
Major plasma radius
|
0.89 m
|
|
Minor plasma radius
|
0.25 m
|
|
Aspect ratio
|
3.5
|
|
Plasma elongation
|
0.9 − 2.8
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Plasma triangularity
|
-0.8 − +0.9
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Maximal plasma current
|
1.2 MA
|
|
Max. discharge duration
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2.6s in ohmic, 4s with ECCD
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Core electron density
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1−20×1019m-3
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Core electron temperature
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≤ 1 keV (ohmic)
≤ 15 keV (ECH)
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Core ion temperature
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≤ 1 keV
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Main ion component
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deuterium, hydrogen or helium
|
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Main heavy impurity
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carbon (C6+)
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Tokamak parameters
Vacuum vessel: height
|
1.54 m
|
|
width
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0.56 m
|
|
vessel elongation
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2.9
|
|
material
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stainless steel (DIN 1.4429 /AISI 316LN)
|
|
internal surface
|
23 m2
|
|
wall thickness
|
10 mm
|
|
Graphite first wall: coverage
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>90%
|
|
material
|
polycrystalline graphite (R6650MX2)
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|
cleaning
|
glow discharge in helium between shots
|
|
number of graphite tiles
|
1692
|
|
Magnetic coils: total number | ||
Toroidal field number of coils | 16 (1 power source) | |
maximal on axis magnetic field
|
1.54 T
|
|
OH coils number of coils
|
7 (2 power sources) | |
maximal current
|
27 kA
|
|
Shaping coils number of coils | 16 (16 independent power sources) | |
maximal current | 7 kA | |
In-vessel vertical fb coil number of coils | 2 (1 power source) | |
maximal current | 2 kA | |
Plasma heating: Ohmic (OH)
|
up to 1 MW
|
|
Electron cyclotron (ECH)
|
4.5 MW (6×0.5 MW X2 + 3×0.5 MW X3)
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