Completion of designing and manufacturing of the coil support structure of W7-X

Chauvin, D.; Koppe, Torsten; Cardella, A.; Missal, B.; Pilopp, D.; Bartolo, G. Di; Camin, R.; Gonzales, Ivan; Giordano, Luca; Langone, S.

doi:10.1016/j.fusengdes.2011.05.004

Cited by 1 publication

(1 citation statement)

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“…The magnet system of W7-X is made from 50 non-planar coils for the basic magnetic field and 20 planar coils to allow for a variation of the magnetic field configuration (rotational transform and radial position of the plasma [6]), a bus-bar system to connect these coils electrically with each other and with the power supplies [7], a central support structure (CSS) [8] and a set of support elements fixing the coils to the central ring and supporting them against each other [9]. According to the symmetry described before, each half-module is equipped with five non-planar coils of a different type and two slightly different planar coils.…”

Section: The Wendelstein 7-x Devicementioning

confidence: 99%

Technical challenges in the construction of the steady-state stellarator Wendelstein 7-X

Bosch¹,

Wolf²,

Andreeva³

et al. 2013

Nucl. Fusion

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The next step in the Wendelstein stellarator line is the large superconducting device Wendelstein 7-X, currently under construction in Greifswald, Germany. Steady-state operation is an intrinsic feature of stellarators, and one key element of the Wendelstein 7-X mission is to demonstrate steady-state operation under plasma conditions relevant for a fusion power plant. Steady-state operation of a fusion device, on the one hand, requires the implementation of special technologies, giving rise to technical challenges during the design, fabrication and assembly of such a device. On the other hand, also the physics development of steady-state operation at high plasma performance poses a challenge and careful preparation. The electron cyclotron resonance heating system, diagnostics, experiment control and data acquisition are prepared for plasma operation lasting 30 min. This requires many new technological approaches for plasma heating and diagnostics as well as new concepts for experiment control and data acquisition.

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