US Patent Issued to Huawei Digital Power Technologies on Oct. 14 for "Photovoltaic system, inverter, and direct current electric arc detection method" (Chinese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,444,925, issued on Oct. 14, was assigned to Huawei Digital Power Technologies Co. Ltd. (Shenzhen, China).

"Photovoltaic system, inverter, and direct current electric arc detection method" was invented by Yongquan Liu (Xi'an, China), Guilei Gu (Shanghai), Gang Xiao (Xi'an, China) and Dili Zhu (Xi'an, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A photovoltaic system, an inverter, and a direct current electric arc detection method. The system includes an inverter, a controller, and at least two converters. When detecting an electric arc, the controller controls an input current of the inverter to decrease to extinguish the arc. After the arc is ex...