ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,828, issued on Aug. 19, was assigned to ABB Schweiz AG (Baden, Switzerland).

"Estimating at least one leakage inductance of a multi-phase electrical machine" was invented by Panagiotis Kakosimos (Vasteras, Sweden), Ingo Stroka (Vasteras, Sweden) and Georgios Stamatiou (Athens, Greece).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for estimating at least one leakage inductance of a 3n-phase electrical machine includes performing a first machine investigation scheme and a second machine investigation scheme, the first scheme including ordering a machine drive stage to control one of the 3-phase windings, obtaining a first set of measured curr...