Article Dans Une Revue IEEE Transactions on Applied Superconductivity Année : 2025

Qualification of the SuperRail HTS cable system

Arnaud Allais
Grégory Bouvier
  • Fonction : Auteur
Hervé Caron
  • Fonction : Auteur
  • PersonId : 1080535
Romain Goncalves
  • Fonction : Auteur

Résumé

The SuperRail project, backed by the French government, will be the first installation of a high-temperature superconducting (HTS) cable system on a commercially operated railway electric grid. The project's goal is to develop, manufacture, install and operate a HTS DC cable system at the Montparnasse railways station in Paris. HTS technology provides here the only viable solution to increase the power supply from the railway traction substation to a group of railway tracks in such densely populated areas, strengthening and securing the railway grid, and helping to meet national low-carbon emission targets. Two 60 m long 1.5 kV-3.5 kA HTS DC cables made of 2G conductors will be installed in parallel. They are designed to meet stringent load requirements and to sustain a 67 kA-100 ms short-circuit current. Prior to the installation at Montparnasse, a 35-m HTS cable type test loop was installed and tested at the SNCF Railway Test Agency (SNCF-AEF). This loop includes two terminations, one joint, and a cooling system. This paper provides a detailed description of the type test loop and of the type test results, including thermal cycles, pressure tests, dielectric and lightning impulse tests, nominal current tests, system losses characterization, fault current test, and V-I characterization. The results confirm that the cable system met its design specifications, qualifying it for the SuperRail installation and for future railway projects.
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Dates et versions

hal-04902773 , version 1 (21-01-2025)

Identifiants

  • HAL Id : hal-04902773 , version 1

Citer

Saïd Aboudrar, Arnaud Allais, Kai Allweins, Kévin Berger, Grégory Bouvier, et al.. Qualification of the SuperRail HTS cable system. IEEE Transactions on Applied Superconductivity, 2025. ⟨hal-04902773⟩
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