Patent ID: 8772968
Filing Date: 2014-07-08
Classification: H02J,H02M,Y02E

Abstract:
1. A circuit for providing a.c. power from a plurality of unregulated voltage sources, each of the unregulated voltage sources having outputs for outputting a temporally variable output d.c. voltage, wherein the circuit comprises: a plurality of regulated voltage sources, switched parallel, each regulated voltage source being configured to receive power from a respective one of the plurality of unregulated voltage sources, each of said plurality of regulated voltage sources including a step-up converter and an associated regulating device; an a.c.-d.c. converter circuit; and a regulating unit; wherein each said step-up converter has a semi-bridge circuit connecting said first and second coils, said semi-bridge circuit including wherein said regulating unit includes a measuring device for measuring an intermediate circuit voltage of said a.c.-d.c. converter circuit and is connected with said regulating devices for controlling the regulated voltage sources.