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The 100 kA VLHC transmission line magnet superconducting cable test facility

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10 Author(s)
Foster, G.W. ; Fermi Nat. Accel. Lab., Batavia, IL, USA ; Kashikhin, V.S. ; Malamud, E. ; Mazur, P.
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A superconducting transmission line magnet test facility was built and commissioned at Fermilab. The test facility is capable of generating a 100 kA current in a 17-meter length short-circuited superconducting loop, as well as driving 15 m long test magnets. The current is excited by a room temperature primary winding and iron yoke operated as a current transformer. This approach avoids the expense and difficulty of 100 kA current leads, and allows the facility to be Dewar-based. The loop has a replaceable superconductor section 4 m long for testing various types of VLHC transmission line cables. The system design, 3D magnetic field analysis, magnetic force distribution and test results are discussed.

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Applied Superconductivity, IEEE Transactions on  (Volume:10 ,  Issue: 1 )