Abstract
For over thirty years superconducting high field solenoid coils have been designed, constructed and operated in the High Magnetic Field Laboratory at the Karlsruhe Institute of Technology (KIT). During this time, three generations of experimental facilities have been built and commissioned to routine operation. Using metallic superconductors commercially available at the time, designs were created that enabled maximum field strengths to be achieved within specified boundary conditions. The latest facility is HOMER II, which is unique in its ability to generate a magnetic field strength of 20 T within a free bore of 185 mm. In this article various configurations of the facilities and their physical parameters are presented. Emphasis is placed on the experimental facility HOMER II including its cryogenic system, quench detection and analysis, as well as its protection concept.
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