Bi-directional DC-DC converter

Details Bi-directional DC-DC converter Bi-directional DC-DC converter

2008-10-14

2009-12-29

Riley, Shawn (Department: 2838)

Electrical transmission or interconnection systems

Plural supply circuits or sources

Selective or optional sources

C307S087000

Reexamination Certificate

active

07638900

ABSTRACT:
A bi-directional DC-DC converter includes a first series circuit connected to ends of a first DC power source and including a first winding of a first reactor and a first switch; a second series circuit connected to ends of the first switch and including a second winding of the first reactor, a second reactor, a second switch, a third switch, and a second DC power source; a third series circuit connected to the ends of the first switch and including a fourth switch and the second DC power source; and a control circuit configured to turn on/off the switches and thereby carry out step-up and step-down operations between the first and second DC power sources.

REFERENCES:
patent: 7023109 (2006-04-01), Amano
patent: 7183753 (2007-02-01), Tsuruya
U.S. Appl. No. 12/179,036, filed Jul. 24, 2008, Asuke, et al.
U.S. Appl. No. 12/250,839, filed Oct. 14, 2008, Asuke, et al.

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