US Patent Issued to TMEIC on April 29 for "Power conversion device, control device, and distributed power source system" (Japanese Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,288,985, issued on April 29, was assigned to TMEIC Corp. (Tokyo).

"Power conversion device, control device, and distributed power source system" was invented by Takashi Shigemasa (Tokyo) and Hiroyuki Koura (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power conversion device includes a major circuit part converting a power of a distributed power source into AC power corresponding to a power system, and a controller controlling an operation of the major circuit part; the controller includes an estimated value calculation part and a reactive power calculation part; the estimated value calculation part calculates an estimated value of a resistance...