Electric power conversion systems – Current conversion – Having plural converters for single conversion
Reexamination Certificate
2008-04-22
2008-04-22
Laxton, Gary L. (Department: 2838)
Electric power conversion systems
Current conversion
Having plural converters for single conversion
C363S017000, C363S125000
Reexamination Certificate
active
11453894
ABSTRACT:
A balancing circuit for systems having at least first and second transformers. The transformers' primary sides are connected to one another. The transformers' secondary sides also are connected to one another. The balancing circuit includes a branch connecting one terminal on the secondary side of the first transformer and the corresponding terminal on the secondary side of the second transformer. The branch has a significant impedance such that the voltage in the secondary sides of the transformers is forced to be substantially equal. A method is also provided for performing balanced operation of a system includes at least a first and a second transformer.
REFERENCES:
patent: 6469486 (2002-10-01), Jitaru
patent: 6492880 (2002-12-01), Chiappe et al.
patent: WO- 03/092328 (2003-11-01), None
Gjerde Knut-Ivar
Myhre Erik
Eltek Valere AS
Laxton Gary L.
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