This report, funded by Energy Foundation China, is a product of Nanjing Golden Cooperate DC Power Distribution Technology Co., Ltd. and focuses on the research and development of China's PEDF Building System, specifically the直流关键技术体系 (DC关键技术体系). The report is authored by Jianhai Yan, an R&D engineer at the company, who has presided over the research and development of AC voltage sag protectors and data center high-voltage DC systems. The report aims to provide an overview of the current state of DC technology in China's PEDF Building System and to identify key challenges and opportunities for future development. The report also includes a disclaimer stating that the views expressed are those of the authors and do not necessarily represent the views of Energy Foundation China.
