ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,571, issued on Feb. 24, was assigned to CHINA ELECTRIC POWER RESEARCH INSTITUTE (Beijing).

"Grid frequency deviation response control system and method" was invented by Huadong Sun (Beijing), Wenfeng Li (Beijing), Jian Zhang (Beijing), Qiang Guo (Beijing) and Wei Wei (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a frequency modulation method, device and system based on a new energy support machine and an energy storage device, and a new energy field station. The method includes: acquiring a system frequency offset value; determining a frequency modulation scheme for the new energy support machine and/or the energy storage devi...