US Patent Issued to Huawei Digital Power Technologies on June 23 for "Photovoltaic system, fast shutdown method, and photovoltaic inverter" (Chinese Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,665,411, issued on June 23, was assigned to Huawei Digital Power Technologies Co. Ltd. (Shenzhen, China).

"Photovoltaic system, fast shutdown method, and photovoltaic inverter" was invented by Li Lu (Shenzhen, China), Kai Xin (Shanghai), Xinyu Yu (Shanghai) and Boping Yang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The photovoltaic system includes an inverter, a fan, and a controller. A photovoltaic string and a direct current bus capacitor are connected between a positive input end and negative input end of the inverter. The controller receives a fast shutdown instruction and sends a drive signal to a switching transistor in the inverter,...