First Tests of Twisted-Pair HTS 1 kA Range Cables for Use in Superconducting Links | Zendy

A. Ballarino | Zendy; J. Fleiter | Zendy; J. Hurte | Zendy; M. Sitko | Zendy; Gerard Willering | Zendy

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First Tests of Twisted-Pair HTS 1 kA Range Cables for Use in Superconducting Links

Author(s) -

A. Ballarino,

J. Fleiter,

J. Hurte,

M. Sitko,

Gerard Willering

Publication year - 2012

Publication title -

physics procedia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.26

H-Index - 61

ISSN - 1875-3892

DOI - 10.1016/j.phpro.2012.06.140

Subject(s) - superconductivity , range (aeronautics) , twisted pair , materials science , physics , condensed matter physics , composite material

The requirement at CERN for 1 kA range High Temperature Superconducting (HTS) cables optimized for long electrical transfer has led to the design and assembly of a novel type of cable that can be made from pre-reacted MgB2, Bi-2223 or YBCO tapes. The cable consists of an assembly of twisted pairs, each of which is made from three superconducting tapes with the required copper stabilizer. The twisted pair cable is designed to transfer a DC current of ± 600 A in helium gas environment.The paper reports on the results of the electrical tests performed on twisted-pair cables of identical structure and made from commercially available MgB2, Bi-2223 and YBCO tapes. The twist pitch of the cables is adapted to match the mechanical properties of the different superconductors. Critical current tests were performed at both liquid helium and liquid nitrogen temperature. The electrical performance of several cables made from different conductors is reported and compared

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