This paper presents the design and fabrication of a high-Tc superconducting (HTS) power supply. Its characteristics have been analyzed through experiments. A HTS power supply consists of two heaters, an electromagnet, and a Bi-2223 solenoid and a Bi-2223 pancake load. The timing sequential control of two heaters and an electromagnet is an important factor to generate pumping-current in the Bi-2223 load. The thermal analysis of switching parts of the Bi-2223 solenoid according to the heater input was carried out. Based upon the analysis, the 331 mH electromagnet and the 0.8 A dc heater current were optimally derived, and 8.5 sec and 17 sec for the pumping period were selected in this experiment. In the experiment, the maximum pumping current reached 1.7 A.
|Number of pages||5|
|Journal||IEEE Transactions on Applied Superconductivity|
|Publication status||Published - 2002 Mar|
|Event||17th Annual Conference on Magnet Technology - Geneva, Switzerland|
Duration: 2001 Sep 24 → 2001 Sep 28
Bibliographical noteFunding Information:
Manuscript received September 24, 2001. This work was supported by Grant 2001-1-30200-027-3 from the Basic Research Program of the Korea Science and Engineering Foundation. H. M. Kim, M. C. Ahn, and T. K. Ko are with the Department of Electrical and Electronic Engineering, Yonsei University, Seoul, 120-749, Korea (e-mail: email@example.com). Y. S. Yoon is with the Department of Electrical Engineering, Ansan College of Technology, Ansan, 425-792, Korea (e-mail: firstname.lastname@example.org). S.-J. Lee is with the Department of Electrical Engineering, Uiduk University, Kyongju, 780-713, Korea (e-mail: email@example.com). T.-S. Han is with the Agency for Technology and Standards, Gwachun, 427-010, Korea (e-mail: firstname.lastname@example.org). Publisher Item Identifier S 1051-8223(02)03691-6.
All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Electrical and Electronic Engineering