ALEXANDRIA, Va., June 10 -- United States Patent no. 12,294,311, issued on May 6, was assigned to Eaton Intelligent Power Ltd. (Dublin).
"Auxiliary pre-charging device of power converter, pre-charging method and power converter" was invented by Jianxiong Yu (Shanghai), Jiajie Duan (Shanghai), Han Li (Shanghai), Cheng Luo (Shanghai) and Qiang Chen (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides an auxiliary pre-charging device for a power converter. The power converter includes at least one power unit with an input end being connected to a medium and high voltage AC power source, and an output end being connected to a low voltage DC bus, wherein the auxiliary pre-chargi...