Design and Testing of Coils Wound Using the Conductor-On-Round-Tube (CORT) Cable

Alternative concept for winding of coils from high-temperature superconducting tapes has been investigated. Conductor-On-Round-Tube (CORT) conductors with tapes helically wound on a metallic tube have been manufactured and used to wind single layer coils with the bore diameters between 116 and 325 m...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2017-06, Vol.27 (4), p.1-5
Main Authors: Gomory, Fedor, Souc, Jan, Vojenciak, Michal, Terzioglu, Sifki, Frolek, Lubomir
Format: Article
Language:English
Subjects:
Coils
Coils (windings)
Conductors
critical current
Critical current density
Critical current density (superconductivity)
Diameters
Finite element analysis
High temperature
High-temperature superconductors
HTS cables
HTS coils
Magnetic fields
Mathematical analysis
numerical modeling
Power cables
Superconducting cables
Superconducting tapes
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Summary:Alternative concept for winding of coils from high-temperature superconducting tapes has been investigated. Conductor-On-Round-Tube (CORT) conductors with tapes helically wound on a metallic tube have been manufactured and used to wind single layer coils with the bore diameters between 116 and 325 mm wound and tested in the dc regime. Results were analyzed with the help of numerical calculations considering the critical current density dependence on magnetic field derived from the short sample measurement. We have also modified the standard approach by including the fluctuations of critical current along the tape length into the calculations. Results have shown that the uniformity of critical current is essential for achieving predictable cable and coil performance.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2016.2631340