Commissioning of the plasma central column for the PROTO-SPHERA spherical tokamak

Plasma properties can be useful in a wide spectrum of applications. Experimental projects on controlled nuclear fusion are the most challenging of these applications and, at the same time, the best way to approach plasma science. Since nuclear fusion reactors can ensure a large-scale, safe, environmentally-friendly and virtually inexhaustible source of energy, several fusion-oriented megaprojects and innovative companies are appearing all over the world. PROTO-SPHERA (Spherical Plasma for HElicity Relaxation Assessment) is the first plasma project with a simply connected configuration, namely not requiring additional objects inside the plasma volume. This is obtained by a plasma arc, shaped as a screw pinch, acting as the centerpost of a spherical torus with minimal aspect ratio. Due to its intrinsic physical, engineering and economic advantages, this new approach is attractive also on an industrial scale and with several developments that still needs to be explored. This paper presents the PROTO-SPHERA basic principles, its first encouraging results and its expected and potential evolutions.

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Commissioning of the plasma central column for the PROTO-SPHERA spherical tokamak

Cited by 2 publications

References 10 publications

A new generation of pulsed power supplies for experimental physics based on supercapacitors

A new generation of pulsed power supplies for experimental physics based on supercapacitors

Progress of the Plasma Centerpost for the PROTO-SPHERA Spherical Tokamak

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