US Patent Issued to ELECTRIC POWER RESEARCH INSTITUTE. CHINA SOUTHERN POWER GRID, CHINA SOUTHERN POWER GRID on April 22 for "Control method and apparatus for high-voltage, direct current first commutation failure in alternating-current fault" (Chinese Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,283,821, issued on April 22, was assigned to ELECTRIC POWER RESEARCH INSTITUTE. CHINA SOUTHERN POWER GRID (Guangdong, China) and CHINA SOUTHERN POWER GRID (Guangdong, China).

"Control method and apparatus for high-voltage, direct current first commutation failure in alternating-current fault" was invented by Chuang Fu (Guangdong, China), Ruina Zheng (Guangdong, China), Juanjuan Wang (Guangdong, China), Zhaoxin Wen (Guangdong, China), Huan Li (Guangdong, China) and Wei Wei (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method, an apparatus and a device for suppressing a first HVDC commutation failure under an AC system fault are provid...