Characteristic Comparison for the Various Winding Methods of HTS Magnets

Recently various high temperature superconducting (HTS) conductors have been commercialized in the power applications. While a BSCCO becomes tape or wire, others coated conductors (CC) are tapes. An HTS magnet utilized with these conductors can be fabricated as a form of pancake winding or layer win...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2012-06, Vol.22 (3), p.4902907-4902907
Main Authors: Jo, Hyun Chul, Choi, Sukjin, Na, Jin Bae, Jang, Jae Young, Hwang, Young Jin, Kim, Hyung Jun, Ahn, Min Cheol, Chung, Yoon Do, Kim, Ho Min, Yoon, Yong Soo, Ryu, Kang-Sik, Kim, Yeong-Chun, Lee, Haigun, Ko, Tae Kuk
Format: Article
Language:English
Subjects:
Applied sciences
Coils
Conductors
Critical current
Critical current test
Electric connection. Cables. Wiring
Electrical engineering. Electrical power engineering
Electromagnets
Electronics
Exact sciences and technology
high temperature superconducting (HTS) magnet
High temperature superconductors
layer wound coil
Liquid nitrogen
Magnets
Materials
Mathematical model
over-current test
Pancake coils
pancake wound coil
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Superconducting devices
Superconducting magnets
Superconducting tapes
Superconductivity
Various equipment and components
Winding
winding tension
Windings
Wire
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Summary:Recently various high temperature superconducting (HTS) conductors have been commercialized in the power applications. While a BSCCO becomes tape or wire, others coated conductors (CC) are tapes. An HTS magnet utilized with these conductors can be fabricated as a form of pancake winding or layer winding. In the case of HTS magnet using a thin and rectangular tape, the pancake winding method is satisfied in the practical cases because of its suitable features. However, one of the disadvantages of this winding method is increasing brands and splices. From this point of view, we propose a layer winding method using an HTS tape and fabricated HTS layer coils. To verify the feasibility of the proposed winding method, critical current and over-current tests are investigated in liquid nitrogen and the results are compared with those of pancake coils. In addition, operating characteristics on the condition of various winding tensions are analyzed.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2012.2186549