caa a22 4500 445381957 CHVBK 20180317143020.0 cr unu---uuuuu 170323e20110101xx s 000 0 eng 10.1007/s10948-010-0872-z doi (NATIONALLICENCE)springer-10.1007/s10948-010-0872-z Current Distribution in YBCO Coated Conductors of Toroidal Coil Composed of Multiple Double Pancake Coils [Elektronische Daten] [M. Tsuda, T. Hamajima] We should prevent non-uniform current distribution due to manufacturing errors of tapesize, coilsize, and conductor deformation in the toroidal coilcomposed of multiple YBCO double pancake coils. This is because the non-uniform current distribution causes the increase of AC losses and the decrease of critical current in the YBCO tapes. Therefore, we analytically investigated the relationship between the manufacturing error and the current distribution in the toroidal coils composed of the eight series-connected double pancake coils composed of the transposed conductor with two parallel-connected YBCO tapes and the eight sets of two parallel-connected double pancake coils composed of single YBOC tapeconductor connected in series. The parallel-connected multiple double pancake coils composed of single tapeconductor is much more effective for preventing the non-uniform current distribution than the double pancake coilcomposed of the transposed conductor with parallel-connected multiple tapes. The non-uniformity of current distribution can be improved by increasing the length of parallel-connected current path by increasing the number of series-connected double pancake coils in each current path. Springer Science+Business Media, LLC, 2010 Current distribution nationallicence Pancake coil nationallicence Toroidal coil nationallicence Transposed conductor nationallicence YBCO nationallicence Tsuda M. Graduate School of Engineering, Tohoku University, 6-6-05 Aoba Aramaki, Aoba-ku, Sendai, 980-8579, Miyagi, Japan aut Hamajima T. Graduate School of Engineering, Tohoku University, 6-6-05 Aoba Aramaki, Aoba-ku, Sendai, 980-8579, Miyagi, Japan aut Journal of Superconductivity and Novel Magnetism Springer US; http://www.springer-ny.com 24/1-2(2011-01-01), 999-1006 1557-1939 24:1-2<999 2011 24 10948 https://doi.org/10.1007/s10948-010-0872-z text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10948-010-0872-z text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Tsuda M. Graduate School of Engineering, Tohoku University, 6-6-05 Aoba Aramaki, Aoba-ku, Sendai, 980-8579, Miyagi, Japan aut NATIONALLICENCE 700 1- Hamajima T. Graduate School of Engineering, Tohoku University, 6-6-05 Aoba Aramaki, Aoba-ku, Sendai, 980-8579, Miyagi, Japan aut NATIONALLICENCE 773 0- Journal of Superconductivity and Novel Magnetism Springer US; http://www.springer-ny.com 24/1-2(2011-01-01), 999-1006 1557-1939 24:1-2<999 2011 24 10948 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer