ALEXANDRIA, Va., July 3 -- United States Patent no. 12,348,042, issued on July 1, was assigned to Delta Electronics (Shanghai) Co. Ltd. (Shanghai).

"Photovoltaic energy storage system and control method thereof" was invented by Jixing Qiu (Shanghai), Shen Chen (Shanghai) and Feidong Xu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A photovoltaic energy storage system and a control method for the photovoltaic energy storage system are provided. The photovoltaic energy storage system includes an energy storage unit, a photovoltaic array assembly, an inverter and a rapid shutdown switch. The inverter is electrically coupled to the energy storage unit and the photovoltaic array assembly. The rapid shu...