ALEXANDRIA, Va., May 12 -- United States Patent no. 12,627,149, issued on May 12, was assigned to WATT & WELL (Perthuis, France).

"Method of active and reactive power control in ABC frame of a grid-tied converter" was invented by Ahmed Redha Meghnous (Epinay sur Orge, France) and Jean-Christophe Calamote (Le Chesnay, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for controlling active and reactive powers in grid-tied converters having a grid side and a battery side, in which said grid side supplies an alternative current to said converter whereas the battery side receives a direct current from said converter, said method comprising direct active and reactive power control in ABC frame where ...