ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,706,456, issued on Aug. 11, was assigned to Siemens Energy Global GmbH & Co. KG (Munich).
"DC grid" was invented by Oliver Reimann (Erlangen, Germany) and Wolfgang Voss (Oberreichenbach, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power generation grid for a vessel, rig or platform includes a primary energy source located above the waterline and a plurality of DC sub-assemblies, located below the waterline. Each DC sub-assembly has a DC bus, a DC/DC converter adapted to couple the DC bus to a DC energy source; an AC/DC converter adapted to couple the DC bus to an AC energy source; a DC/AC converter adapted to couple the DC bus to a correspo...