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Wendelstein 7-X

also W7-X

The main purpose of Wendelstein 7-X is to prove the possibility of using the stellarator concept for power plant designs, by operating up to 30 minutes with a heating power up to 10 MW .

Quoted verbatim from the IAEA World Survey of Fusion Devices, not paraphrased.
Type
Fusion device
Approach
Stellarator
Fuel
D-D
Country
DE
Status
Operating
Ownership
public

Measurements

6 × 10²⁶ K·m⁻³·s Fusion triple product (nTτ_E) claimed

measured 2018-06

4 × 10⁷ K Ion temperature claimed

measured 2018-06

8 × 10¹⁹ m⁻³ Plasma density claimed

measured 2018-06

26 s Plasma duration claimed

measured 2018-06

480 s Plasma duration claimed

measured 2023-02 · sustained

5.5 m Major radius claimed

0.53 m Minor radius claimed

3 T On-axis magnetic field claimed