US Patent Issued to HUAWEI DIGITAL POWER TECHNOLOGIES on Sept. 1 for "Photovoltaic inverter and leakage current detection apparatus" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,724,089, issued on Sept. 1, was assigned to HUAWEI DIGITAL POWER TECHNOLOGIES Co. LTD. (Shenzhen, China).

"Photovoltaic inverter and leakage current detection apparatus" was invented by Tianqi Hu (Xi'an, China), Hui Shi (Xi'an, China), Libin Hui (Xi'an, China), Chengfei Sun (Xi'an, China) and Yufang Xiao (Xi'an, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A photovoltaic inverter may include a magnetic ring, a leakage current detection winding, a modulation wave circuit, a filter circuit, and a first direct current power supply. The modulation wave circuit includes a first push-pull circuit, a comparator, a second direct current power supply, an...