Analysis of AC loss behavior in BSCCO tapes with different core geometries

Author

Mele, R. ; Crotti, G. ; Gherardi, L. ; Morin, D. ; Bigoni, L. ; Martini, L. ; Zannella, S.

Author_Institution

Pirelli Cavi Spa, Milano, Italy

Volume

7

Issue

2

fYear

1997

fDate

6/1/1997 12:00:00 AM

Firstpage

1351

Lastpage

1354

Abstract

AC losses in the transport regime were measured in Ag-sheathed (Bi,Pb)/sub 2/Sr/sub 2/Ca/sub 2/Cu/sub 3/O/sub x/ (Ag/2223) tapes at 77 K in the frequency range 35-180 Hz. The samples were multifilamentary, prepared by OPIT (oxide powder in tube) technique, and "concentric" prepared by the wire-in-tube technique, and they had different superconducting core geometries. Measured losses were confirmed to be hysteretic in nature in the examined frequency range. The experimental results are compared with the prediction of the elliptical and thin strip Norris model.

Keywords

bismuth compounds; calcium compounds; critical current density (superconductivity); high-temperature superconductors; magnetic hysteresis; magnetic leakage; powder technology; silver; strontium compounds; 35 to 180 Hz; 77 K; AC loss behavior; Ag-sheathed (Bi,Pb)/sub 2/Sr/sub 2/Ca/sub 2/Cu/sub 3/O/sub x/; BSCCO tapes; Bi/sub 2/Sr/sub 2/Ca/sub 2/Cu/sub 3/O/sub 10/-Ag; core geometries; elliptical model; high temperature superconductor; multifilamentary; oxide powder in tube technique; thin strip Norris model; Bismuth compounds; Frequency measurement; Geometry; Hysteresis; Loss measurement; Multifilamentary superconductors; Powders; Strontium; Superconducting filaments and wires; Superconducting films;

fLanguage

English

Journal_Title

Applied Superconductivity, IEEE Transactions on

Publisher

ieee

ISSN

1051-8223

Type

jour

DOI

10.1109/77.620820

Filename

620820