Study of a high-Tc superconducting magnet made with Bi-2212/Ag Rutherford cable

Author

Nagaya, Shigeo ; Hirano, Naoki ; Minami, Masaharu ; Nakano, Toshihide

Author_Institution

Electr. Power R&D Center, Chubu Electric Power Co. Inc., Nagoya, Japan

Volume

11

Issue

1

fYear

2001

fDate

3/1/2001 12:00:00 AM

Firstpage

1761

Lastpage

1764

Abstract

A high temperature superconducting magnet using newly developed Bi-2212/Ag Rutherford cable was trial manufactured as a partial model for a 10 T magnet. The developed magnet consists of 4 double pancake coils constructed from a Rutherford cable with a critical current of 3.5 kA at 4.2 K, 0 T. The magnet has inside and outside diameters of 100 mm and 180 mm, respectively and is 75 mm long axially. The coil successfully operated with DC 1.25 kA and 1.5 kJ was stored stably. A maximum magnetic field of 2 T with A current of 1.47 kA was confirmed in liquid helium. Also, the authors performed excitation tests under the high-speed rate of change of magnetic field (0.54 T/S) and 300 cycles simulating alternating operation, and estimated the value of AC losses at 5.3 W using the change of liquid helium level

Keywords

bismuth compounds; calcium compounds; copper compounds; magnetic fields; silver; strontium compounds; superconducting cables; superconducting coils; superconducting magnets; 0 T; 1.25 kA; 1.47 kA; 1.5 kJ; 10 T; 100 mm; 180 mm; 2 T; 3.5 kA; 4.2 K; 5.3 W; 75 mm; AC losses; Bi-2212/Ag Rutherford cable; Bi₂Sr₂CaCu₂O-Ag; Bi₂Sr₂CaCu₂O₈-Ag; alternating operation simulation; critical current; double pancake coils; excitation tests; high-Tc superconducting magnet; magnetic field; superconducting coils; Critical current; Helium; Magnetic fields; Magnetic liquids; Performance evaluation; Superconducting cables; Superconducting coils; Superconducting magnets; Temperature; Virtual manufacturing;

fLanguage

English

Journal_Title

Applied Superconductivity, IEEE Transactions on

Publisher

ieee

ISSN

1051-8223

Type

jour

DOI

10.1109/77.920125

Filename

920125