Transport and AC loss properties of the repaired multifilamentary REBCO superconducting tapes |
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| Authors: | S Yamasaki M Iwakuma K Funaki J Kato T Chikumoto K Tanabe K Nakao T Izumi Y Yamada Y Shiohara T Saito |
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| Institution: | 1. Research Institute of Superconductor Science and Systems, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan;2. International Superconductivity Technology Center, ISTEC, 1-10-13 Shinonome, Koto-ku, Tokyo 135-0062, Japan;3. Fujikura Ltd., 1-5-1 Kiba, Koto-ku, Tokyo 135-8512, Japan |
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| Abstract: | For near-future applications of REBa2Cu3O7 (REBCO) coated conductors to electric power cables, transformers and Superconducting Magnetic Energy Storage (SMES), the long taped wires with high performance in the transport properties have been designed and fabricated. Moreover, in order to drastically reduce AC losses in perpendicular field configuration, advanced multifilament YBCO coated conductors (MFYCCs) fabricated with technique of a laser scribing process have been also developed. In the present study, from engineering viewpoints to utilize such advanced conductors, we evaluated the transport and AC loss properties of short MFYCCs with a repaired part or a joint by a diffusion joint technique with the saddle-shaped pickup coil method. |
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| Keywords: | YBCO Ac loss Diffusion joint Silver layer Multifilament Repair joint |
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