US Patent Issued to ABB Schweiz, HITACHI ENERGY on June 10 for "Method of determining line fault of power system" (Chinese Inventors)

ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,469, issued on June 10, was assigned to ABB Schweiz AG (Baden, Switzerland) and HITACHI ENERGY LTD (Zurich, Switzerland).

"Method of determining line fault of power system" was invented by Kai Liu (Beijing) and Qi Zhang (Fujian, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for determining a line fault of a power system. The methods include obtaining sampled values of voltages and currents of phases of a power line in the power system, determining a phase compensation voltage of a first phase and an interphase compensation voltage of an interphase loop between a second phase and a third phase, and detecting the line fault in the first...