The TJ-I tokamak was the first magnetic confinement device at CIEMAT (then JEN). It started operation in 1983.


Parameter Value Unit
Major radius, R0: 0.30 m
Mean plasma radius, a: 0.10 m
Plasma current, Ip: 30 kA
Toroidal field, BT: 1.0 - 1.4 T
Electron density, ne: 1.31019 m 3

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