ALEXANDRIA, Va., July 14 -- United States Patent no. 12,681,054, issued on July 14, was assigned to ABB Schweiz AG (Baden, Switzerland).
"Fault detection for a flying capacitor converter" was invented by Sami Pettersson (Dietikon, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A flying capacitor converter comprises a converter input comprising a positive pole and a negative pole, an output terminal, and a plurality of cells, each cell comprising two switches and a flying capacitor arranged between each cell. A method for detecting a plurality of faults in the converter includes measuring, by a second current sensor arranged at the positive pole, a second current; measuring by a third current sens...