US Patent Issued to ABB SCHWEIZ on Oct. 27 for "Transformer energization with low inrush current" (American, Indian Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,776,643, issued on Oct. 27, was assigned to ABB SCHWEIZ AG (Baden, Switzerland).

"Transformer energization with low inrush current" was invented by Veerakumar Bose (Richmond, Va.), Christopher Alan Belcastro (Richmond, Va.) and Lakkimsetti Anjankumar (Bangalore, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for reducing inrush current to energize a transformer from a first power source or second power source using a transfer switch device including monitoring input phase voltage at a first and second switching pair, sending a first set of gate signals to the first switching pair and second set of gate signals to the second swi...