Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Reexamination Certificate
2005-11-08
2005-11-08
Patel, Rajnikant B. (Department: 2838)
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
C363S098000, C363S133000
Reexamination Certificate
active
06963497
ABSTRACT:
A power converter circuit has an inductor input and switching means to put a pair of capacitors alternately in series or in parallel. By pulse width modulating between the states, the voltage on the capacitors can be controlled over a two to one variation of the input voltage. A pair of transformer isolated power converter sub-circuits can be connected to the capacitors, and their outputs can be combined to provide a single controlled output voltage.
REFERENCES:
patent: 4858093 (1989-08-01), Sturgeon
patent: 6115267 (2000-09-01), Herbert
patent: 6121761 (2000-09-01), Herbert
patent: 6195273 (2001-02-01), Shteynberg
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