The University of Southampton
University of Southampton Institutional Repository

The extended E-J characteristics of flux diffusion and their role in the self-field AC losses in Ag-sheathed PbBi2223 tapes

Record type: Article

The interplay between the flux pinning of the critical state and flux diffusion has an important effect on the hysteresis losses at high frequencies (>200Hz). This interplay between the two mechanisms has been seen in the dB/dt dependence of the magnetization and AC losses in a varying external field. In order to study this effect in the self-field situation we have separated the eddy current losses and hysteresis losses, of an Ag-sheathed PbBi2223 tape, by making measurements of the 1st and 3rd harmonics of the electric field, at various frequencies. These measurements show as expected that the hysteresis loss per cycle decreases for increasing frequency. Our data shows that, for a given frequency and transport current, there exists an equivalent critical current, which when plotted against the corresponding loss electric field is coincident with the DC E-J characteristics of the tape. This demonstrates that the hysteresis losses are determined by the extended E-J characteristics of the tape.

Full text not available from this repository.

Citation

Hughes, T., Yang, Y., Spiller, D.M., Fisher, S. and Beduz, C. (1997) The extended E-J characteristics of flux diffusion and their role in the self-field AC losses in Ag-sheathed PbBi2223 tapes Physica C: Superconductivity And its Applications, 282-287, (4), pp. 2593-2594. (doi:10.1016/S0921-4534(97)01391-9).

More information

Published date: 1997

Identifiers

Local EPrints ID: 21290
URI: http://eprints.soton.ac.uk/id/eprint/21290
ISSN: 0921-4534
PURE UUID: 409d8892-2745-4077-a9e0-1b97ac687ef1

Catalogue record

Date deposited: 17 Nov 2006
Last modified: 17 Jul 2017 16:26

Export record

Altmetrics

Contributors

Author: T. Hughes
Author: Y. Yang
Author: D.M. Spiller
Author: S. Fisher
Author: C. Beduz

University divisions


Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton: eprints@soton.ac.uk

ePrints Soton supports OAI 2.0 with a base URL of http://eprints.soton.ac.uk/cgi/oai2

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.

×