Journal
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
Volume 26, Issue 4, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TASC.2016.2524519
Keywords
Flux pump; HTS magnet; joint-less coil; persistent current; wind-and-flip
Funding
- National Research Foundation of Korea (NRF) - Ministry of Education, Science, and Technology [2014R1A1A2058788]
- NRF - Ministry of Science, ICT & Future Planning [NRF-2014R1A6B1A01048313]
- KBSI [D35611]
- National Research Foundation of Korea [2014R1A1A2058788] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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A flux pump is a kind of power source that energizes superconducting magnets usually embedded in the cryogenic system. Therefore, heat loss through current leads is eliminated, allowing for more efficient cooling design. A winding technique, the so-called wind-and-flip, had been proposed by the authors to realize a jointless HTS coil for a perfect resistanceless closed loop, which may enable to induce a persistent current in an HTS coil wound with second-generation HTS tape. In this paper, we investigated charging/discharging characteristics and a possibility of persistent current operation of a jointless HTS coil with a flux pump. Results are discussed with regard to current capacity and temporal stability with a prototype jointless HTS coil.
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