US Patent Issued to S&C Electric on March 17 for "Point on wave polarity detection method for saturation mitigation" (Illinois Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,378, issued on March 17, was assigned to S&C Electric Co. (Chicago).

"Point on wave polarity detection method for saturation mitigation" was invented by Tsvetan Rusev (Morton Grove, Ill.) and Michael Stamer (Northbrook, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for operating a vacuum interrupter in a self-resetting interrupter. The method includes detecting fault current, opening the vacuum interrupter a first time using power harvested from the current transformer when the fault current is detected, and storing a polarity of the detected fault current when the vacuum interrupter is opened. The method then determines a...