ALEXANDRIA, Va., June 18 -- United States Patent no. 12,328,061, issued on June 10, was assigned to Huawei Digital Power Technologies Co. Ltd. (Shenzhen, China).
"Method and apparatus for suppressing cross current in inverter parallel system" was invented by Xinyu Yu (Shanghai), Kai Xin (Shanghai), Zhiwu Xu (Shenzhen, China), Yanzhong Zhang (Shanghai) and Junjie Li (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method and apparatus for suppressing cross current including: obtaining a common-mode current and a common-mode injection voltage of each inverter in an inverter parallel system; determining a virtual damping voltage of each inverter based on the common-mode current of each inverter and a ...