US Patent Issued to SHANGHAI UNIVERSITY OF ELECTRIC POWER, STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER, NORTH CHINA ELECTRIC POWER UNIVERSITY on April 7 for "Method and system for a pilot directional protection of LCC-HVDC lines based on virtual grounding resistance" (Chinese Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,596,144, issued on April 7, was assigned to SHANGHAI UNIVERSITY OF ELECTRIC POWER (Shanghai), STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER COMPANY (Shanghai) and NORTH CHINA ELECTRIC POWER UNIVERSITY (Beijing).

"Method and system for a pilot directional protection of LCC-HVDC lines based on virtual grounding resistance" was invented by Jing Ma (Beijing), Wenyue Zhao (Beijing), Zhencun Nie (Beijing), Jialun Li (Beijing), Yuchong Wu (Beijing) and Zengping Wang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The application relates to a method and system for a pilot directional protection of LCC-HVDC lines based on virtual grounding resistance. The...