DC-DC converter

Electric power conversion systems – Current conversion – Having plural converters for single conversion

Reexamination Certificate

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Reexamination Certificate

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07054175

ABSTRACT:
A circuit configuration in which a pair of conversion circuit parts for converting a power source voltage of a DC power source into an AC by two pairs of switching elements made of a full bridge configuration and a pair of transformers is used as inverter units. The n groups of the inverter units are provided with respect to the DC power source, and a secondary side of one transformer of each of the inverter units are connected in series among the n groups and also a secondary side of the other transformer are connected in series among the n groups.

REFERENCES:
patent: 4695933 (1987-09-01), Nguyen et al.
patent: 6275396 (2001-08-01), Farrar
patent: 6381155 (2002-04-01), Kadatsky et al.
patent: 6574125 (2003-06-01), Matsukawa et al.
patent: 2002-223565 (2002-08-01), None

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