Mathematics – Logic
Scientific paper
Jan 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aipc..608.1124i&link_type=abstract
SPACE TECHNOLOGY AND APPLICATIONS INTERNATIONAL FORUM- STAIF 2002. Conference on Thermophyiscs in Microgravity; Conference on In
Mathematics
Logic
Superconducting Device Characterization, Design, And Modeling, Industrial And Technological Research And Development
Scientific paper
This paper covers stability and protection issues for high-temperature superconducting (HTS) systems, i.e., magnets and transmission cables for electric power devices. Following a review of stability and protection for superconducting magnets, we present simulation work on stability for LN2-cooled composite YBCO tape subjected to disturbance with Ag layer thickness as a key variable: 1) steady dissipation generated over a short length of the composite where, because of conductor degradation, Ic is less than a nominal specified value; and 2) transient heating due to an overcurrent pulse. The stability work is followed by discussion of protection for HTS based on a novel concept recently introduced and being developed presently at MIT: use of solid nitrogen with composite HTS to enhance superconducting stability to such a degree that a complete interruption of the system operation, the only practical but highly disruptive way to protect HTS, will be necessary only in the rarest instances. .
Haid Benjamin J.
Iwasa Yukikazu
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