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Manufacturing and Installation of the World's Longest HTS Cable in the Super-ACE Project

2005; IEEE Council on Superconductivity; Volume: 15; Issue: 2 Linguagem: Inglês

10.1109/tasc.2005.849276

1558-2515

S. Mukoyama, Noboru Ishii, Masayuki Yagi, Satoru Tanaka, S. Maruyama, Osamu Sato, Akio Kimura,

HVDC Systems and Fault Protection

The 500 m high temperature superconducting cable (HTS cable) is 77 kV 1 kA single-core cable with LN2-impregnated paper insulation. Demonstration and verification test of 500 m HTS cable has been started from March 2004 and many useful results can be obtained in the test for future practical uses. Furukawa Electric has mainly taken charge of designing, manufacturing and installation of the 500 m cable. In the manufacturing process, the cable could be fabricated without Ic degradation in Ag/Bi-2223 tapes. Moreover, various factory tests were carried out for the 500 m cable. The result of tests showed that the cable has sufficiently satisfied the quality requirement. In the installation, the cable was successfully pulled into a cable duct of 170 m long like actual underground cable installations.