ALEXANDRIA, Va., July 3 -- United States Patent no. 12,348,126, issued on July 1, was assigned to Dr. Ing. h.c. F. Porsche AG (Germany).

"Method and system for emergency operation for a modular multilevel converter" was invented by Eduard Specht (Bruchsal, Germany) and Daniel Simon (Ludwigsburg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "Method and system for emergency operation for a modular multilevel converter including a central controller and a plurality of battery modules. The respective battery module is given a respective switching state by the central controller at each switching stroke, through which a respective energy accumulator is connected to a respective energy accumulator of a re...