Performance test results of a low-loss 1 MVA BSCCO resonator coil system

A. Godeke*, O.A. Chevtchenko, J.J. Rabbers, B. ten Haken, C.J.G. Spoorenberg, P. Klein Schiphorst, G.C. Damstra, H.H.J. ten Kate

*Corresponding author for this work

Research output: Contribution to journalArticleAcademic

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A high-quality superconducting resonator coil system has been developed in the Netherlands in cooperation with the companies SMIT Transformers and SMIT Draad. The coil system was manufactured in industry, using industrial tooling. It has a reactive power rating of 1 MVA at a frequency of 50 Hz and a temperature of 64 K. The system consists of four concentric solenoidal coils, including 2 km of Bi-2223 conductors from two manufacturers. The coil performance has been optimized by shaping the magnetic field around the coil edges with laminated ferro-magnetic C-cups to reduce the AC loss to about 1 kW at 1 MVA reactive power. The system is operated in a glass-epoxy cryostat at either 64 or 77 K. The resonator coil demonstrates all superconducting elements that are essential for manufacturing superconducting transformers. The construction of the system is finalized and the total system has been tested in various operational configurations. The results of the system test at full power are presented and analyzed.
Original languageEnglish
Pages (from-to)1719-1722
JournalPhysica C
Issue numberPart 3
Publication statusPublished - 2002


  • Resonator
  • Superconducting
  • Transformer


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