US Patent Issued to ABB Schweiz on July 28 for "Fault detection circuit for solid-state motor controllers" (North Carolina Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,695,294, issued on July 28, was assigned to ABB Schweiz AG (Baden, Switzerland).

"Fault detection circuit for solid-state motor controllers" was invented by Chunmeng Xu (Raleigh, N.C.), Dorai Yelaverthi (Raleigh, N.C.) and Pietro Cairoli (Cary, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method is provided for protecting a circuit comprising a switch device connected between a power source and a load, the power switch device controlled by a gate driver. The method comprises generating a first trip signal indicating a desaturation (DESAT) signal based on an input voltage to the gate driver and a first trip threshold; generating a second trip si...