ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,483,113, issued on Nov. 25, was assigned to Sungrow Power Supply Co. Ltd. (Hefei, China).

"Cascaded multi-port converter and three-phase medium-voltage input system" was invented by Jiacai Zhuang (Hefei, China), Jun Xu (Hefei, China) and Yue Dong (Hefei, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cascaded multi-port converter and a three-phase medium-voltage input system. Input ends of all high-voltage conversion units are cascaded between two ports of an input end of the cascaded multi-port converter. A primary winding of a multi-winding transformer is connected to an output end of a corresponding high-voltage conversion unit, and a seconda...