@article{oai:nifs-repository.repo.nii.ac.jp:00000599,
 author = {Yamada,  Shuichi and Mito,  Toshiyuki and Maekawa,  Ryuji and Chikaraishi,  Hirotaka and Moriuchi,  Sadatomo and Uede,  Toshio and Hiue,  Hisaaki and Yasukawa,  Yasuo and Itoh,  Ikuo and Satow,  Takashi and Motojima,  Osamu},
 issue = {Issue 1},
 journal = {IEEE Transactions on Applied Superconductivity},
 month = {Mar},
 note = {A superconducting (SC) current-feeder system is used as the current transmission lines for the experimental fusion device, LRD. It consists of nine flexible SC bus lines with total length of 497 m, and nine pairs of gas-cooled current leads. To avoid the propagation of the ice on the leads, the temperature of the terminals had been kept in the range between 5 and 20 degrees C by the heaters. The measured voltage drops of all leads were less than 20 mV. The liquid helium levels of the leads and the sub-cooler tank will equalize by the siphon method. The total time of the coil excitations exceeds 3000 hours. We have demonstrated successfully that the SC current-feeder system was stable and easy to handle, and is useful for the SC experimental fusion device.},
 title = {Stable long-term operation of superconducting current-feeder system for the LHD},
 volume = {Vol.12},
 year = {2002}
}