Patent ID: 7518886

Claim:
A fuel cell power management structure comprising: a. a multiphase soft switch DC/DC converter comprising: i. a transformer, an input side connected to a power source, and an output side connected to an output filter, ii. said transformer having a plurality of primary coils connected to said input side and a plurality of secondary coils connected to said output side, iii. wherein each primary coil connects a full-bridge circuit and each full-bridge circuit comprises two switches on two legs, iv. said primary coil being connected between said switches on each leg of the full bridge circuit, v. each full-bridge circuit being connected in parallel to each other such that each leg is disposed parallel to one another and to said power source, and vi. said secondary coils connected to a rectifying circuit; and b. a ripple reduction control circuit comprising: i. an outer loop control circuit disposed parallel to said DC/DC converter for reducing ripple in a voltage reference.