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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Baldan, C.A. Shigue, C.Y. Pinatti, D.G. Ruppert-Filho, E. Freitas, R.C. Homrich, R.P. |
| Copyright Year | 2002 |
| Abstract | This paper presents the design, manufacturing and test results of HTS coils for single-phase resistive current limiters using two different Bi-2223/Ag tapes. Two coils were separately wound on cylindrical G-10 tubes with helical path. One of the coil was wound in a bifilar conductor arrangement aiming at reducing the self-inductance. The maximum flux density is 40 mT on the HTS tape for both coils and the calculated inductance is 5.76/spl mu/H for the non-inductively wound coil and 28.3/spl mu/H for the conventional one. The two coils were individually tested under DC and AC currents. The DC power loss was calculated from the measured voltage-current values product and the AC power loss was determined by the liquid nitrogen mass boil-off measurement. The acquired voltage AC waveforms were analyzed through the separation of distinct contributions due to magnetic flux and to a resistive component in-phase with the current. It was observed an inflection point common to the DC and AC power losses curves close to I/sub c/ attributed to the AC transition current. |
| Sponsorship | Council on Superconductivity Appl. Superconductivity Conference Inc MIT |
| Starting Page | 863 |
| Ending Page | 866 |
| Page Count | 4 |
| File Size | 151754 |
| File Format | |
| ISSN | 10518223 |
| Volume Number | 14 |
| Issue Number | 2 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2004-06-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Testing High temperature superconductors Coils Fault current limiters Wounds Power measurement Loss measurement Voltage Pulp manufacturing Current limiters |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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