Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Reexamination Certificate
2006-03-07
2006-03-07
Vu, Bao Q. (Department: 2838)
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
C363S026000, C363S098000
Reexamination Certificate
active
07009855
ABSTRACT:
A synchronous rectifier circuit, comprising a power transformer which has a primary side, including first and second primary winding sections, and a secondary side, including first and second secondary winding sections, a rectifier circuit at the secondary side of the power transformer, which rectifier circuit comprises first and second MOSFETs associated with the first and second secondary winding sections, respectively, first and second current transforming means associated with the first and second secondary winding sections, respectively, and first and second drive circuits for the first and second MOSFETs, respectively, each current transforming means generating first and second currents which are dependent on the current of the associated secondary winding section of the power transformer, and each drive circuit comprising first and second branches to receive the first and second currents, respectively, generated by the current transforming means, and the first branch comprising a diode and a transconductance choke, and the second branch comprising a diode.
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Minebea Co. Ltd
Morris LLP Duane
Vu Bao Q.
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