Home / Standards / GB/T 39750-2021 GB/T 39750-2021 Active Technology requirements of DC arc-fault circuit protection for photovoltaic power system 光伏发电系统直流电弧保护技术要求 Standard Type GBT ICS 27.160 CCS F12 Status 现行 Issue Date 2021-03-09 Implementation 2021-10-01 Responsible Dept 中国电力企业联合会 Drafting Unit N/A