Patent ID: 8797767

Claim:
An apparatus for power conversion, comprising: a transformer having a primary winding and a plurality of secondary windings, wherein the plurality of secondary windings comprises a first secondary winding, a second secondary winding, and a third secondary winding, and wherein the first secondary winding, the second secondary winding, and the third secondary winding are wound in a tri-filar configuration; and a cyclo-converter comprising a plurality of switch pairs for converting an alternating current to an AC current, wherein each switch pair in the plurality of switch pairs (i) is coupled between two lines of an AC output and (ii) has a different secondary winding of the plurality of secondary windings coupled between its switches, wherein the plurality of switch pairs comprises a first switch pair, a second switch pair, and a third switch pair, and wherein the first secondary winding, the second secondary winding, and the third secondary winding are coupled between drain terminals of the first switch pair, the second switch pair, and the third switch pair, respectively.