Quench Development Due to External Magnetic Field in HTS Cable Conductor Transporting AC Current

In this study, a prototype HTS cable conductor with 1 layer of 10 Bi-2223/Ag tapes was fabricated and the quench development due to the influence of external magnetic fields was investigated. Firstly, AC current whose peak value amounts around two times critical current was applied to the HTS cable...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2006-06, Vol.16 (2), p.1606-1609
Main Authors: YIM, Seong-Woo, LIM, Sung-Hun, SOHN, Song-Ho, HWANG, Si-Dole, YANG, Sung-Chae
Format: Article
Language:English
Subjects:
AC current
Alternating current
Applied sciences
Cables
Conductors
Conductors (devices)
Critical current
Electric connection. Cables. Wiring
ELECTRICAL CONDUCTORS
Electrical engineering. Electrical power engineering
Electronics
Exact sciences and technology
external magnetic field
High temperature superconductors
HTS cable conductor
MAGNETIC FIELD
Magnetic field measurement
Magnetic fields
Magnetic shielding
Materials
Power cables
quench
QUENCHING MECHANISMS
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Silver
Superconducting cables
Superconducting devices
Superconducting tapes
SUPERCONDUCTORS
TAPE
Transporting
Various equipment and components
VOLTAGE
WIRE AND CABLE
Wires
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Description
Summary:In this study, a prototype HTS cable conductor with 1 layer of 10 Bi-2223/Ag tapes was fabricated and the quench development due to the influence of external magnetic fields was investigated. Firstly, AC current whose peak value amounts around two times critical current was applied to the HTS cable conductor. From the experiments, the influence of self field was considered to be small enough not to affect the transporting characteristics. Secondly, external magnetic fields of 50 and 100 mT were applied to the HTS cable conductor transporting AC current. In this case, due to the directional dependence of Bi-2223/Ag tapes on magnetic field, various magnitudes of voltages were detected in each strand. Finally, the quench development with the magnitude of the applied external magnetic field was analyzed
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2006.870516