HTS Coils Fabrication From Commercial 2G YBCO Tapes: Measurements and Simulation

Author

Besi Vetrella, U. ; Celentano, Giuseppe ; Marchetti, Mirco ; Messina, Giacomo ; Morici, L. ; Sabatino, Paul ; Viola, R. ; della Corte, Antonio

Author_Institution

EURATOM-ENEA Assoc. on Fusion, Frascati, Italy

Volume

24

Issue

3

fYear

2014

fDate

Jun-14

Firstpage

1

Lastpage

4

Abstract

In this paper, YBCO-based commercial wire (tape) has been used for fabricating coils in doubled pancake configuration assembly. The tape has been wound on a circular-shaped support; lap joints between coils have been realized with particular attention to resistance minimization. Each high-temperature superconducting coil by itself, and the assembly afterward, has been powered and the current-voltage curves at different temperatures have been measured using a four-probe technique. Critical currents have been computed by using the electric field criteria. Applied magnetic field was both in perpendicular and parallel configuration. A magneto-static finite element model has been developed by using commercial software, in order to check the agreement with experimental results.

Keywords

barium compounds; critical currents; electric resistance; finite element analysis; high-temperature superconductors; magnetostatics; minimisation; superconducting coils; superconducting tapes; yttrium compounds; 2G YBCO tapes; YBCO; YBCO-based wire; applied magnetic field; circular-shaped support; critical currents; current-voltage curves; doubled pancake configuration assembly; electric field criteria; four-probe technique; high-temperature superconducting coil fabrication; lap joints; magnetostatic finite element model; parallel configuration; perpendicular configuration; resistance minimization; Coils; Critical current density (superconductivity); Integrated circuits; Magnetic field measurement; Wires; Yttrium barium copper oxide; Coated conductor; YBCO; energy storage;

fLanguage

English

Journal_Title

Applied Superconductivity, IEEE Transactions on

Publisher

ieee

ISSN

1051-8223

Type

jour

DOI

10.1109/TASC.2013.2282298

Filename

6609060