Abstract

Superconducting power links (SUPERPOLIs) will offer the opportunityfor low-loss power transmission of high nominal currents and fault currentlimitation (FCL) simultaneously in one single device. They will find theirapplications as generator out-lines or in the medium voltage power distributiongrid. As a significant step towards the GV A-class three-phase application, thefirst aim of the project is the demonstration of a one-phase functional model oflength 2 m for 20 kVrms. 2 kArms/5 kArms operation; it willinclude the development of two alternative low-ac-loss conductor designssuitable for current limitation: a low-cost composite tubular Bi-2212 conductorwith moderate Jc and a coated tubular Y-123 conductor, presenting a very highJc.

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