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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ueda, K. Bohno, T. Takita, K. Mukae, K. Uede, T. Itoh, I. Mimura, M. Uno, N. Tanaka, T. |
| Copyright Year | 2002 |
| Abstract | The thermal behavior of current leads using an oxide superconductor for the low-temperature portion has been studied. Numerical calculations predict a reduction of the necessary coolant flow rate and refrigerator input power. A pair of current leads has been manufactured where the low-temperature portion consists of six sintered Bi compound cylindrical bars and the high-temperature portion consists of a Cu wire bundle. The lead, cooled by gaseous helium along its entire length, is 0.9 m long and designed to carry 1 kA. The leads have been tested in the same arrangement as practical applications. The helium flow rate necessary to hold thermal equilibrium was about 80% of that for conventional copper leads. The calculation shows that power consumption of the refrigerator needed to cool high-temperature superconductor current leads with an optimum cooling scheme will be about one-third of that for conventional current leads.< |
| Sponsorship | Council on Superconductivity Appl. Superconductivity Conference Inc MIT |
| Starting Page | 400 |
| Ending Page | 403 |
| Page Count | 4 |
| File Size | 419468 |
| File Format | |
| ISSN | 10518223 |
| Volume Number | 3 |
| Issue Number | 1 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1993-03-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Testing Bismuth High temperature superconductors Refrigeration Copper Lead compounds Coolants Manufacturing Bars |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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