Bi-directional isolated DC/DC converter

Details Bi-directional isolated DC/DC converter Bi-directional isolated DC/DC converter

2006-12-05

2008-10-07

Vu, Bao Q (Department: 2838)

Electric power conversion systems

Current conversion

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

C363S132000, C323S222000

Reexamination Certificate

active

07433207

ABSTRACT:
A bi-directional converter for converting voltage bi-directionally between a high voltage bus and a low voltage bus, having a switching converter connected across the high voltage bus, the switching converter having first and second switching modules connected in series across the high voltage bus, a switched node disposed between the switching modules being coupled to an inductor, the first and second switching modules being controllable so that the switching converter can be operated as a buck converter or a boost converter depending upon the direction of conversion from the high voltage bus to the low voltage bus or vice versa; the mid-voltage bus being coupled to a first full bridge switching circuit having two pairs of series connected switches with switched nodes between each of the pairs of switches being connected across a first winding of a transformer having a preset turns ratio.

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