ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,110, issued on Feb. 10, was assigned to Mitsubishi Electric Corp. (Tokyo).
"Power conversion device simulating a synchronous generator" was invented by Toshiyuki Fujii (Tokyo), Kaho Mukunoki (Tokyo), Hiroki Ishihara (Tokyo), Ryosuke Uda (Tokyo) and Kota Hamanaka (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power conversion device includes a power converter and a control device. The power converter converts a DC power output from a power storage element into an AC power. The control device includes a phase synchronizing unit to estimate a reference phase of an output voltage of the power converter synchronized with a phase of an AC voltage...