Electromagnetic analysis of YBCO superconducting cables with high current transporting for electric devices

H. Zhang, J. Zhu, W. Yuan, M. Qiu, S. Fu, S. Rao, W. Yang, M. Zhang

Research output: Contribution to journalArticle

3 Citations (Scopus)
14 Downloads (Pure)

Abstract

Most high-temperature superconducting (HTS) electric devices have been built by employing a superconducting composite cable. These HTS devices generally have large current-carrying capacities. Therefore, the electromagnetic characteristic of a composite superconducting cable with high current density becomes a key point for the application of these HTS devices. A helical superconducting cable and a Roebel cable consisted of YBCO-coated conductors with a critical current of 500 A @ 77 K in the self-field are both proposed in this paper. The helical superconducting cable that has two conductor layers and the structure parameters of the helical cable are given. The Roebel cable has four layers with a critical current of 500 A. Two 3-D models are built for a helical cable and a Roebel cable with variable geometries. Their magnetic flux distributions along the axis are presented based on the finite-element analysis method, and their electromagnetic characteristics are discussed as well. The analysis model can be further applied for the large-scale HTS electric device design with high current-carrying ability.

Original languageEnglish
Pages (from-to)1-4
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume26
Issue number7
DOIs
Publication statusPublished - 1 Oct 2016

Fingerprint

Superconducting cables
cables
high current
Cables
electromagnetism
Superconducting devices
Critical currents
superconducting devices
Temperature
critical current
Composite materials
Magnetic flux
conductors
Current density
composite materials
Finite element method
magnetic flux
Geometry
current density

Keywords

  • 3-D FEM
  • Helical cable
  • magnetic flux distribution
  • optimal design
  • roebel cable

Cite this

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title = "Electromagnetic analysis of YBCO superconducting cables with high current transporting for electric devices",
abstract = "Most high-temperature superconducting (HTS) electric devices have been built by employing a superconducting composite cable. These HTS devices generally have large current-carrying capacities. Therefore, the electromagnetic characteristic of a composite superconducting cable with high current density becomes a key point for the application of these HTS devices. A helical superconducting cable and a Roebel cable consisted of YBCO-coated conductors with a critical current of 500 A @ 77 K in the self-field are both proposed in this paper. The helical superconducting cable that has two conductor layers and the structure parameters of the helical cable are given. The Roebel cable has four layers with a critical current of 500 A. Two 3-D models are built for a helical cable and a Roebel cable with variable geometries. Their magnetic flux distributions along the axis are presented based on the finite-element analysis method, and their electromagnetic characteristics are discussed as well. The analysis model can be further applied for the large-scale HTS electric device design with high current-carrying ability.",
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Electromagnetic analysis of YBCO superconducting cables with high current transporting for electric devices. / Zhang, H.; Zhu, J.; Yuan, W.; Qiu, M.; Fu, S.; Rao, S.; Yang, W.; Zhang, M.

In: IEEE Transactions on Applied Superconductivity, Vol. 26, No. 7, 01.10.2016, p. 1-4.

Research output: Contribution to journalArticle

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