ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,444,929, issued on Oct. 14, was assigned to S&C Electric Co. (Chicago).
"Adaptive impedance protection" was invented by Farnaz Harirchi (Glenview, Ill.), John French (Chicago), Oleg Nazarov (Okemos, Mich.), Gabrielle Madden (Chicago) and Goran Djogo (Mount Prospect, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for adaptive impedance protection in a power network. The method includes determining a measured impedance in an upstream interrupting device, determining an impedance set point in the upstream interrupting device, and identifying a predetermined percentage of the impedance set point. The method also includes determining...