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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Usoskin, A. Freyhardt, H.C. Issaev, A. Knoke, J. Dzick, J. Collet, M. Kirchesch, P. Lehtonen, J. |
| Copyright Year | 2002 |
| Abstract | Tubular modules of fault-current limiter (FCL) have been developed, manufactured and industrially tested in the framework of the European SUPERPOLI Project. The modules of /spl phi/55 mm /spl times/ 500 mm are based on YBCO-coated stainless steel tapes exhibiting an excellent critical current of >150 A per cm-width at 77 K. A specific FCL architecture enables i) a "soft" current transfer from the YBCO film to the steel tape at over-critical currents, ii) double-sided cooling of the tape, and iii) protection against temperature shocks. The tubular configuration of the modules allows suppression of the normal component of the self magnetic field, and, as a result, gain of total critical current. Critical currents above 3000 A (78 K) have been realized in these modules in the course of industrial tests. A limitation of the fault current with an amplitude of 50 kA lead to a limited current of 3-4 kA, a voltage drop of 50 V (per module) and a power dissipation of about 100 kW. At sub-critical currents, the module introduces a negligible power loss. A quenching time of only 0.1-0.4 ms was observed. |
| Sponsorship | Council on Superconductivity Appl. Superconductivity Conference Inc MIT |
| Starting Page | 1972 |
| Ending Page | 1975 |
| Page Count | 4 |
| File Size | 433596 |
| File Format | |
| ISSN | 10518223 |
| Volume Number | 13 |
| Issue Number | 2 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2003-06-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Steel Critical current Testing Manufacturing industries Yttrium barium copper oxide Magnetic films Cooling Protection Temperature Electric shock |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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