Information Technology
| Tue 17 Feb 2026
Beijing, Feb. 17 -- State Grid Shanghai Municipal Electrical Power has submitted a patent application for Photovoltaic Harmonic Carrier Network Access Control Method and System. Cheng Yu, He Zhizhuo, Zhang Ying, Xie Wei, Gu Xiyu, Zheng Fang, Cao Qinyu, Fu Huimin, Lu Shenmin, Shi Ming, Shou Jiajue, Wang Zichang, Wang Xueting, Zho..