According to the requirements of Document GNKJ [2015] No.12 issued by National Energy Administration of the People’s Republic of China, “Notice on Releasing the Development and Revision Plan of the Second Batch of Energy Sector Standards in 2014”, and after extensive investigation and research, summarization of practical experience, consultation of relevant advanced Chinese and foreign standards, and wide solicitation of opinions, the drafting group has prepared this code.


The main technical contents of this code include: basic requirements, DC generation system, selection of equipment and cable, equipment layout and installation, overvoltage protection and earthing, and protection and monitoring.