System and method for power saving conversion topology in...

Details System and method for power saving conversion topology in... System and method for power saving conversion topology in...

2007-09-21

2010-10-12

Nguyen, Matthew V (Department: 2838)

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

C363S021070

Reexamination Certificate

active

07813149

ABSTRACT:
A power supply includes an input filter and rectifier module, a digital control module, and a converter module. The input filter and rectifier module is configured to rectify an input voltage. The digital control module is adapted to prevent a potential saturation of a transformer by setting a maximum allowable duty cycle for a control signal transmitted to the transistor based on an input voltage. The digital control model is further adapted to reduce switching losses in the power supply by setting the control signal switching frequency, based on the input voltage. The converter module is configured to convert the input voltage into a direct current output voltage based upon the control signal.

REFERENCES:
patent: 6169680 (2001-01-01), Matsui et al.
patent: 6487097 (2002-11-01), Popescu
patent: 7061780 (2006-06-01), Yang et al.
patent: 7218541 (2007-05-01), Price et al.
patent: 7589983 (2009-09-01), Lin et al.
patent: 2007/0046105 (2007-03-01), Johnson et al.

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