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Test results from the Wendelstein 7-X stellarator demonstration coil.

Author(s) : HELLER R., MAURER W., SAPPER J., et al.

Type of article: Article

Summary

Wendelstein 7-X (W 7-X) is a stellarator plasma experiment currently under construction in Greifswald, Germany. It is an advanced stellarator with a magnet system consisting of 50 non-planar superconducting main field coils and 20 superconducting planar auxiliary coils in modular toroidal arrangement. The auxiliary system is foreseen for the variation of plasma parameters which allows extensive plasma studies in wide parameter ranges. The characteristic dimensions of a coil are: 3.5 m in height, 2.5 m in width and 1.0 m in thickness. In order to prove the fabricability and the electromagnetic, thermohydraulic and mechanical performance of the coils, a full-size demonstration coil was built by industry and delivered to the Forschungszentrum Karlsruhe for testing. The coil was prepared for installation at the test facility TOSKA beside the EURATOM LCT coil. This coil delivers a background field which allows the simulation of different load cases occurring later in the experimental device. The aim of the test was the investigation of the mechanical properties and behaviour of the bedding between winding block and casing. The paper presents the electromagnetic results obtained during the test.

Details

  • Original title: Test results from the Wendelstein 7-X stellarator demonstration coil.
  • Record ID : 2002-1187
  • Languages: English
  • Source: Cryogenics - vol. 40 - n. 8-10
  • Publication date: 2000/08

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