PTF, a new facility for pulse field testing of large scale superconducting

Bradford A. Smith, J. Richard Hale, Alex Zhukovsky, Philip C. Michael, Joseph V. Minervini, Michael M. Olmstead, Gary L. Dekow, James Rosati, Richard J. Camille, Chen-yu Gung, David Gwinn, Frank Silva, Stephen A. Fairfax, Stewart Shen, H.G. Knoopers, S. Wessel, H.J.G. Krooshoop, O.A. Chevtchenko, A. Godeke, H.H.J. ten Kate

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Abstract

A magnetic Pulse Test Facility (PTF), in which samples of CICC electrical joints from each ITER home team will be tested, has been fabricated at the MIT Plasma Fusion Center under an ITER task agreement. Construction of this facility has recently been completed, and an initial test phase on the first CICC joint sample has begun. PTF includes capabilities for sample currents up to 50 kA from a superconducting transformer developed by the University of Twente, magnetic fields up to 6.6 T with ramp rates to +1.5 T/s and -20 T/s, and a cryogenic interface, supplying supercritical helium with flow rates to 20 g/s through each CICC leg at controlled temperatures to 10 K and pressures to 10 atmospheres. A sophisticated, multiple-channel data acquisition system is provided to processed, digitally recorded sensor signals from both the sample and the facility. The facility is totally remote-controlled from a control room through a fiber optic link, and qualified users worldwide are afforded secured access to test data on a 24-hour basis via the Internet. The facility has successfully exercised the first joint sample over the ITER test spectrum with positive results
Original languageEnglish
Pages (from-to)1049-1052
Number of pages4
JournalIEEE transactions on applied superconductivity
Volume7
Issue number2
DOIs
Publication statusPublished - 1997

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    Smith, B. A., Hale, J. R., Zhukovsky, A., Michael, P. C., Minervini, J. V., Olmstead, M. M., ... ten Kate, H. H. J. (1997). PTF, a new facility for pulse field testing of large scale superconducting. IEEE transactions on applied superconductivity, 7(2), 1049-1052. https://doi.org/10.1109/77.614700