Single-Strand Excitation Rig for Probing Current Sharing and ICR in Nb3Sn Rutherford Cable at 4.2K up to 12 Tesla

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Mon-Af-Po1_08-F1_MT25-2017_KOVACS_Nb3SnRutherfordSingle-StrandExcitation.pdf (1.21 MB)

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2017

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Designed a fixture and performed single-strand excitation measurements on Nb3Sn Rutherford Cable under magnet relevant conditions. Measurements of single-strand excitation were performed at 10 Tesla up to 900A @ 4.2K. Transverse current sharing occurred above 400A and could be initiated using the heater. Steady-state normal zones were creased by the heater which covered the entire cable cross section at 1.26 I/Ic with a 3W . After this, the length of the normal zone increased. In the future, epoxy impregnated cables will be measured. A full-excitation measurement system is being designed to replace the RC-SSE.

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C. J. Kovacs, M. D. Sumption, and E. W. Collings. "Single-Strand Excitation Rig for Probing Current Sharing and ICR in Nb3Sn Rutherford Cable at 4.2K up to 12 Tesla." Poster presented at the Magnet Technology Conference, Amsterdam Netherlands, September 2017.

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http://hdl.handle.net/1811/88556

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Research and Scholarship (CSMM)