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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Veröffentlicht in:	IEEE transactions on applied superconductivity 2006-06, Vol.16 (2), p.1606-1609
Hauptverfasser:	YIM, Seong-Woo, LIM, Sung-Hun, SOHN, Song-Ho, HWANG, Si-Dole, YANG, Sung-Chae
Format:	Artikel
Sprache:	eng
Schlagworte:	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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Zusammenfassung:	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