Journal
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
Volume 23, Issue 3, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TASC.2013.2240756
Keywords
Equivalent circuit; magnetic coupling; noinsulation; time-varying response
Funding
- International Collaborative R&D Program of the KETEP
- Korean government MKE [20118520020020]
- Korea Evaluation Institute of Industrial Technology (KEIT) [20118520020020] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This paper presents experimental and analytical studies on the time-varying behavior of an NI (no-insulation) high-temperature superconductor pancake coil, alone or magnetically coupled to an external coil. An NI coil and another insulated coil (as an external), both of identical winding i.d. and number of turns, were fabricated. Another external coil used in this study was a 300-mm/5-T low-temperature superconductor magnet. An equivalent circuit model is proposed to simulate the NI coil, and the external coil, under time-varying conditions. Good agreement between experiment and simulation shows that the proposed equivalent circuit model is valid to characterize the time-varying electromagnetic behavior of an NI coil, alone or magnetically coupled to an external coil.
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