Design performance of a superconducting power link

Jaakko Paasi, Jorma Lehtonen, Thierry Verhaege, Peter F. Herrmann

Research output: Contribution to journalArticle in a proceedings journalScientificpeer-review

11 Citations (Scopus)


Superconducting power links (SUPERPOLI) will offer a low-loss power transmission and fault current limitation in a single device. In the European SUPERPOLI project, a long term goal is to build a 200 m long, 20 kVrms, 28 kArms, 3-phase superconducting power link which will be refrigerated by sub-cooled liquid nitrogen. The SUPERPOLI will have a compact co-axial multitube structure which significantly reduces the ac losses. As a step towards this GVA-class application, a 2 m long, 20 kV, 2 kA/5 kA, one-phase functional model is under construction. The conductor variants considered are Bi-2212 bulk conductor and Y-123 coated film conductor. They present very different behaviors in normal operation and during the limiting phase: Bi-2212 bulk conductor has higher ac losses and allows short transients or moderate over-currents without quenching, while Y-123 film has low ac losses and immediate response for overcritical currents.

Original languageEnglish
Pages (from-to)1928-1931
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Issue number1 II
Publication statusPublished - 1 Mar 2001
MoE publication typeA4 Article in a conference publication
Event2000 Applied Superconductivity Conference - Virginia Beach, VA, United States
Duration: 17 Sept 200022 Sept 2000


  • Current limiters
  • High-T superconductors
  • Power distribution


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