Electric and magnetic properties measurement and analysis of a conventional and a superconducting power transformer

Power transformers based on High Temperature Superconductors (HTS) technology have revealed potential for several practical applications, offering economic, environmental and operational benefits. In this work, two 650 VA single-phase transformers prototypes were developed, tested and characterized:...

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Bibliographic Details
Published in:Journal of physics. Conference series 2014-01, Vol.507 (3), p.32015-4
Main Authors: Figueira, P, Pronto, A G, Vilhena, N, Pina, J M
Format: Article
Language:English
Subjects:
Alternating current
Bismuth strontium calcium copper oxide
Coils (windings)
Copper
Critical current (superconductivity)
Electric power generation
High temperature superconductors
Magnetic properties
Physics
Prototypes
Superconducting tapes
Superconductivity
Transformers
Winding
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Summary:Power transformers based on High Temperature Superconductors (HTS) technology have revealed potential for several practical applications, offering economic, environmental and operational benefits. In this work, two 650 VA single-phase transformers prototypes were developed, tested and characterized: a conventional one, using copper windings, and another with the same primary copper winding, but with a secondary winding made of HTS BSCCO tape. The two prototypes were compared regarding magnetic properties, losses, electric parameters and efficiency, and the results are presented and interpreted. Also, several measures to determine AC critical current of the HTS tape were made. The results are compared with DC critical current for the same tape.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/507/3/032015