ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,225, issued on May 20, was assigned to HUANENG CLEAN ENERGY RESEARCH INSTITUTE (Beijing).

"Method for measuring degree of stability of generator and power transmission line, and electrical grid control system" was invented by Chen Guo (Beijing), Zhaolei Wang (Beijing), Chong Jiao (Beijing), Xiaoyu Wang (Beijing), Xin Liu (Beijing), Liying Zhang (Beijing) and Anmin Cai (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A stability measuring method for a synchronous generator includes: S11: collecting electrical quantities, and setting an alarm PQ curve of the synchronous generator; S12: calculating a dynamic reactive power reserve, an inductive ...