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HL-1 TOKAMAK (1984-1992)


Nuclear Fusion Reactor & Materials Research

Other experiment devices

HL-1 was the first medium-sized tokamak (R=1.02m, a=0.20m) in China, which was designed and constructed by SWIP in 1984. It was awarded the first class prize in National Science and Technology Progress in 1987.
HL-1 Tokamak consisted mainly of iron transformer, toroidal, poloidal and vertical field coils, inner (S.S. Bellow) and outer vacuum vessels (thick copper shell). The L-H transition induced by a biased electrode and the improved ohmic confinement were achieved during the  HL-1 Experiment.

 Auxiliary heating and current drive (ECRH and LHCD), and pellet injection had been performed.

General research areas:

4 confinement activity 4 Fusion reactor design and material research
4 Fusion technology 4 Fusion and plasma theory
4 Plasma diagnostics development  

HL-1 Data

Configuration Tokamak
Plasma Limitation Limiter (Mo)
Major Radius 1.02 m
Minor Radius 0.2 m
Plasma Cross Section Circular
Magnetic Field 3.0 T
Number of Main Toroidal Coils 16
Volt-seconds 1.75Vs
Plasma Current 225 kA
Pulse Duration 1.6 s
Heating Methods LHCD(0.25MW), ECRH(0.25MW)


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