A 6-around-1 cable using high-temperature superconducting STAR
               <sup>®</sup> wires for magnet applications

Castaneda, Nathaly; Ferracin, Paolo; Funkhouser, Cyrus; Galstyan, Eduard; Higley, Hugh C; Korupolu, Sri Ram; Majkic, Goran; Nguyen, Hoang; Prestemon, Soren O; Selvamanickam, Venkat; Truong, Huy; Wang, Xiaorong

doi:10.1088/1361-6668/ad20fb

Cited by 2 publications

(1 citation statement)

References 40 publications

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“…Both conductors show low n-index, which is evidence of irreversible degradation. The results are in line with other tests carried out on prototype cables made by similar layouts [4][5][6].…”

Section: Lt01)supporting

confidence: 90%

Performance test of REBCO CICC sub-cables with l0 kA current under 20 T background field

Bruzzone

2024

Supercond. Sci. Technol.

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The recent letter on SUST reports the tests of two 10 kA prototype conductors in the background field of 20 T [3]. The layout of the cables is “wrapping multi-layers of tape around a core”. The prototypes are intended to be sub-components for a larger cable, where six such elements are arranged around a central channel [4]. The most significant and novel achievement is the range of combined operating current and background field. Indeed, most tests at 20 T background field are for small conductors, with operating current up to 1 kA.

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Section: Lt01)supporting

confidence: 90%

Performance test of REBCO CICC sub-cables with l0 kA current under 20 T background field

Bruzzone

2024

Supercond. Sci. Technol.

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CORC^® wires allowing bending to 20 mm radius with 97.5% retention in critical current and having an engineering current density of 530 A mm⁻² at 20 T

van der Laan,

Weiss,

Radcliff

et al. 2024

Supercond. Sci. Technol.

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Low-inductance, high-field insert solenoid magnets and 20 T dipole magnets for particle accelerators require flexible cables, wound from high-temperature superconductors (HTS) such as RE-Ba2Cu3O7-δ (REBCO) coated conductors, that allow bending to a 20 mm radius without significant degradation in performance. They require an operating current of at least 5 kA and a high engineering current density (Je) exceeding 500 A/mm2 at 20 T. HTS cable technologies that target such demanding magnet applications so far haven’t been able to meet the combination of these requirements.Here we present the development of the next generation of Conductor on Round Core (CORC®) wires that improves their bending flexibility by factor of more than 2 compared to previous generation CORC® wires. CORC® wires now allow for a bending radius of 20 mm with only 2 – 3 % performance degradation. They allow bending to a radius of 15 mm with a performance retention of 83.5 %. The performance of 30-tape CORC® wires wound from 2 mm wide REBCO tapes from SuperPower Inc, SuperOx and Shanghai Superconductor Technologies was measured at magnetic fields up to 12 T. The overall performance at high magnetic fields of the next generation of CORC® wires improved by a factor of 1.5 – 1.8, depending on the REBCO tape manufacturer. CORC® wires wound from production REBCO tapes achieved a new record Je of 751 A/mm2 at a current of 8.3 kA at 12 T, and a Je of 530 A/mm2 at a current of 5.8 kA when extrapolated to 20 T. 

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A 6-around-1 cable using high-temperature superconducting STAR ^® wires for magnet applications

Cited by 2 publications

References 40 publications

Performance test of REBCO CICC sub-cables with l0 kA current under 20 T background field

Performance test of REBCO CICC sub-cables with l0 kA current under 20 T background field

CORC^® wires allowing bending to 20 mm radius with 97.5% retention in critical current and having an engineering current density of 530 A mm⁻² at 20 T

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A 6-around-1 cable using high-temperature superconducting STAR ® wires for magnet applications

Cited by 2 publications

References 40 publications

Performance test of REBCO CICC sub-cables with l0 kA current under 20 T background field

Performance test of REBCO CICC sub-cables with l0 kA current under 20 T background field

CORC® wires allowing bending to 20 mm radius with 97.5% retention in critical current and having an engineering current density of 530 A mm−2 at 20 T

Contact Info

Product

Resources

About

A 6-around-1 cable using high-temperature superconducting STAR ^® wires for magnet applications

CORC^® wires allowing bending to 20 mm radius with 97.5% retention in critical current and having an engineering current density of 530 A mm⁻² at 20 T