Magnet coupling and self-field AC losses of two neighbouring Ag sheathed PbBi2223 tapes
Hughes, T.J., Yang, Y., Beduz, C. and Power, A. (1998) Magnet coupling and self-field AC losses of two neighbouring Ag sheathed PbBi2223 tapes. Physica C: Superconductivity, 310, (1-4), 187-191. (doi:10.1016/S0921-4534(98)00459-6).
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Description/Abstract
The magnetic interaction between two neighbouring superconducting tapes has significant influences on their self-field AC losses. While the two tapes are independent of each other when separated far apart, they are expected to be fully coupled and behave as a single tape when placed very near. One of the consequences of such coupling is the increase in the self-field loss per tape, which is double of that for an uncoupled tape carrying the same current. In order to assess the interactions among tapes in systems such as a power cable, a better understanding is necessary on the critical distance where the coupling becomes important. Experimental measurements on the self-field losses in two neighbouring Ag sheathed PbBi2223 tapes were carried out with the two tapes separated by various distances, while placed either side by side (side-configuration) or one on top of the other (top-configuration). The results indicates that the critical coupling distance for the top-configuration is about 5 mm, where the increase in loss per tape is about 10%. The critical length for the side-configuration is found to be of the same order of magnitude.
| Item Type: | Article |
|---|---|
| ISSNs: | 0921-4534 (print) |
| Related URLs: | |
| Keywords: | transport ac loss, Bi-2223 tape, coupling, tape assemblage |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering Q Science > QC Physics |
| Divisions: | University Structure - Pre August 2011 > School of Engineering Sciences |
| Item ID: | 21285 |
| Date Deposited: | 17 Nov 2006 |
| Last Modified: | 02 Mar 2012 12:04 |
| Contributors: | Hughes, T.J. (Author) Yang, Y. (Author) Beduz, C. (Author) Power, A. (Author) |
| Date: | 1998 |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/21285 |
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