Home / Standards / GB/T 40091-2021 GB/T 40091-2021 Active Requirements for safety measures of relaying protection and security automatic equipment in smart substation 智能变电站继电保护和电网安全自动装置安全措施要求 Standard Type GBT ICS 29.240.99 CCS K45 Status 现行 Issue Date 2021-04-30 Implementation 2021-11-01 Responsible Dept 中国电力企业联合会 Drafting Unit N/A