High temperature superconducting demonstrator transformer: design considerations and first test results

The paper highlights main features of a 10 kVA single-phase high temperature superconducting (HTS) demonstrator transformer built recently at the University of Southampton. One winding is made of BPSCCO-2223 tape with bulk critical current density of 22A/mm/sup 2/ at 77 K. Flux diverters have been u...

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Bibliographic Details
Published in:IEEE transactions on magnetics 1999-09, Vol.35 (5), p.3559-3561
Main Authors: Sykulski, J.K., Goddard, K.F., Stoll, R.L.
Format: Article
Language:English
Subjects:
Applied sciences
Bulk density
Critical current density
Diverters
Electrical engineering. Electrical power engineering
Electromagnets
Exact sciences and technology
Flux
Flux density
High temperature superconductors
Leakage
Loss measurement
Oil insulation
Power transformer insulation
Superconducting coils
Superconducting device characterization, design, and modeling
Superconducting films
Superconducting materials
Superconducting tapes
Superconducting transmission lines
Superconductivity
Testing
Transformers
Various equipment and components
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Summary:The paper highlights main features of a 10 kVA single-phase high temperature superconducting (HTS) demonstrator transformer built recently at the University of Southampton. One winding is made of BPSCCO-2223 tape with bulk critical current density of 22A/mm/sup 2/ at 77 K. Flux diverters have been used to reduce the radial component of leakage flux density in the HTS tape. Initial test results are shown with particular emphasis on measurements of ac losses.
ISSN:0018-9464
1941-0069
DOI:10.1109/20.800589