Superconducting structure for a fault current-limiter
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United States of America Patent
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Sep 18, 2012
Grant Date -
Oct 28, 2010
app pub date -
Apr 27, 2009
filing date -
Apr 27, 2009
priority date (Note) -
Expired
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Abstract
A superconducting article and method of fabrication are provided. The superconducting article includes a superconducting structure, which includes a superconducting conductor and multiple discrete overlay regions of higher heat capacity than the superconducting conductor. The multiple discrete overlay regions are disposed along a length of the superconducting conductor, in thermal contact with the superconducting conductor, and positioned to define a heat modulation pattern along the length of the superconducting structure. The multiple discrete overlay regions create a temperature distribution favorable to transition of the superconducting structure under load from a normal resistive state to a superconductive state by facilitating formation of a continuous superconducting path along the length of the superconducting structure. In one implementation, the multiple discrete overlay regions are multiple island regions periodically disposed adjacent to opposing first and second edges of the superconducting conductor along the length of the superconducting conductor.
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