Development and application of superconducting transformers

Superconducting transformers are an important innovation for future power transmission and transportation systems. Powerful, lightweight, energy-saving and environmentally friendly they offer enormous benefits compared to their conventional counterparts. Siemens is developing a 1-MVA demonstrator tr...

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Bibliographic Details
Published in:Physica. C, Superconductivity Superconductivity, 2002-08, Vol.372 (3), p.1688-1693
Main Authors: Leghissa, M., Gromoll, B., Rieger, J., Oomen, M., Neumüller, H.-W., Schlosser, R., Schmidt, H., Knorr, W., Meinert, M., Henning, U.
Format: Article
Language:English
Subjects:
AC losses
Bi2223 tapes
Stranded conductors
Transformers
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Summary:Superconducting transformers are an important innovation for future power transmission and transportation systems. Powerful, lightweight, energy-saving and environmentally friendly they offer enormous benefits compared to their conventional counterparts. Siemens is developing a 1-MVA demonstrator transformer for laboratory testing, exhibiting innovative features like horizontal design, cabled-conductor windings and a closed cooling cycle with sub-cooled nitrogen. Being one of the most promising applications Siemens has started a programme towards the development of on-board transformers for electrical rail vehicles. This paper summarises world-wide efforts in the development of superconducting transformers and reports on the progress achieved at Siemens.
ISSN:0921-4534
1873-2143
DOI:10.1016/S0921-4534(02)01102-4