ALEXANDRIA, Va., July 14 -- United States Patent no. 12,683,402, issued on July 14, was assigned to China Railway Seventh Bureau Group Electrical Engineering Co. Ltd. (Zhengzhou, China) and China Railway Seventh Bureau Group Co. Ltd. (Zhengzhou, China).

"Apparatus for detecting grid-connected optimization of distributed photovoltaic power stations" was invented by Jian Zhao (Zhengzhou, China), Kai Tao (Zhengzhou, China), Xiaosi Yu (Zhengzhou, China), Youdao Wang (Zhengzhou, China), Feng Guo (Zhengzhou, China), Yuanping Luo (Zhengzhou, China), Jinlong Zhang (Zhengzhou, China), Pengju Lu (Zhengzhou, China), Qiao Shi (Zhengzhou, China), Yanlu Guo (Zhengzhou, China) and Xianglei Liu (Zhengzhou, China).

According to the abstract* released by t...