Homopolar Generator Powered High Field Magnet Experiment for the Ignitex Fusion Device
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The design of a scaled down prototype of the IGNITEX (Texas Ignition Experiment) toroidal field (TF) magnet is discussed. The IGNITEX concept is a single-tum tokamak designed to produce and control an ignited plasma with ohmic heating alone [l,2]. The objective of the IGNITEX Technology Demonstrator (ITD) is to design, fabricate and test the operation of a single turn, 20 tesla, toroidal field coil powered by a homopolar generator (HPG) power supply. An existing 60 MJ, 9MA homopolar power supply located at the Center for Electromechanics at The University of Texas at Austin (CEM-UT) will be used to drive the experiment . Test results from the ITD program will validate the technology required to generate a 20 tesla, toroidal magnetic field in the necessary geometry to produce fusion by ohmic heating alone.