US Patent Issued to Sungrow Power Supply on Sept. 15 for "Micro inverter" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,738,866, issued on Sept. 15, was assigned to Sungrow Power Supply Co. Ltd. (Hefei, China).

"Micro inverter" was invented by Qiaodi Chen (Hefei, China), Jiacai Zhuang (Hefei, China) and Jun Xu (Hefei, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided in the present application is a micro inverter. In a main circuit of the micro inverter, after N conversion branches are cascaded with each other, the same transformer is shared to connect a secondary-side bridge arm, thereby avoiding the need for N transformers in the prior art; moreover, by means of cascading, the N conversion branches can realize decoupling in terms of control, thereby avoidi...