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Electrical transformer
 



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Patent 6611408
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Document Number
US Patent 6611408
Issued Date
August 26, 2003
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Abstract
The present invention relates to an electrical transformer which includes a primary winding coupled to first and second magnetic circuits. A magnetic flux is driven through the magnetic circuits by the primary winding. First and second secondary windings are also provided, each associated with a respective one of the magnetic circuits and being electrically connected together in series opposition. A closed superconducting fault current winding is also provided to link with the magnetic flux in the second magnetic circuit.
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Number of Claims:
3
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Published
August 26, 2003
Application Number
09/935,157
Filed
August 23, 2001
US Classification
361/58   335/216 336/DIG.1 361/19
Int'l Classification
H01F   36/00   (20060101)   H02H   9/02   (20060101)  
Examiner
Parent Case
CROSS-REFERENCE TO RELATED APPLICATIONS This application is a Divisional of application Ser. No. 09/379,607, filed Aug. 24, 1999, now U.S. Pat. No. 6,300,856.
Priority Data
Sep 01, 1998 [GB] 9819058
USPTO Field of Search
361/11   361/19   361/58   361/93.1   361/93.6   361/93.9   361/141   336/DIG.1   335/216   335/297   335/299  
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