Electromagnetic losses in a three-phase high temperature superconducting cable determined by calorimetric measurements

C. Traeholt, E. Veje, Ole Tønnesen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

A 10 m long high temperature superconducting (HTS) cable conductor was placed in a plane three-phase arrangement. The test-bed enabled us to study the conductor losses for different separations between the phases. The superconductor was fixed symmetrically in the centre, whilst the two outer conventional phases (600 mm2 Cu) could be moved in the plane. It was possible to vary the inter-phase distance (centre to centre distance) from 9 to 48 cm. The HTS cable conductor was placed in a stainless steel cryostat and cooled with flowing liquid nitrogen (LN2). The losses were determined using a calorimetric technique where the temperature increase in the flowing LN2 was measured with a set of thermo-couples. Results indicate that the total AC loss increases significantly when the separation between the conductors is reduced.
Original languageEnglish
JournalPhysica C: Superconductivity and its Applications
Volume372-376
Issue number3
Pages (from-to)1564-1566
ISSN0921-4534
Publication statusPublished - 2002

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