US Patent Issued to ABB on Jan. 27 for "Method for estimating the operating conditions of a switching apparatus" (Italian Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,526, issued on Jan. 27, was assigned to ABB S.p.A. (Milan).

"Method for estimating the operating conditions of a switching apparatus" was invented by Pierantonio Arrighetti (Bossico, Italy) and Enrico Ragaini (Bergamo, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein is a method for determining a presence of anomalous conditions in a switching apparatus installed in an electric line of an electric power distribution grid. The method includes a sequence of steps for adjusting a lumped-parameter model describing, for each electric phase, the behavior of the switching apparatus during the opening maneuvers of the switching apparatu...