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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Tae Jung Kim Kang, H. Min Cheol Ahn Chanjoo Lee Duck Kweon Bae Bok-Yeol Seok Ho-Myung Chang Tae Kuk Ko |
| Copyright Year | 2002 |
| Abstract | This paper deals with the development of a 6.6 kV/200A HTS magnet for inductive superconducting fault current limiter (SFCL) that uses a sub-cooled nitrogen cooling system which is expected to be very useful to the applied HTS machines. The several characteristics of the HTS magnet such as critical current, electrical insulation and heat transfer can be enhanced in the sub-cooled nitrogen cooling system rather than in saturated liquid nitrogen (LN2) cooling system. To obtain sub-cooled nitrogen, LN2 was cooled down to 64 K with GM-cryocooler and its pressure was kept at 101 kPa with gaseous helium. In this investigation, the HTS magnet for a 6.6 kV/200 A SFCL was developed and its long-run operation characteristics were measured and analyzed. The characteristics of the sub-cooled nitrogen system like temperature, level of LN2 and pressure of cryogenic system were not degraded in spite of the several over current tests, electrical insulation tests, and even long-run operation tests with rated transport current |
| Sponsorship | Council on Superconductivity Appl. Superconductivity Conference Inc MIT |
| Starting Page | 1324 |
| Ending Page | 1327 |
| Page Count | 4 |
| File Size | 584006 |
| File Format | |
| ISSN | 10518223 |
| Volume Number | 16 |
| Issue Number | 2 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-06-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | High temperature superconductors System testing Nitrogen Superconducting magnets Saturation magnetization Cooling Insulation testing Dielectrics and electrical insulation Fault current limiters Critical current sub-cooled nitrogen Cryogenic system HTS magnet SFCL |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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