Home / Standards / GB/T 34121-2017 GB/T 34121-2017 Active Technical specification for relay protection configuration tool in smart substation 智能变电站继电保护配置工具技术规范 Standard Type GBT ICS 29.240 CCS K45 Status 现行 Issue Date 2017-07-31 Implementation 2018-02-01 Responsible Dept 中国电力企业联合会 Drafting Unit N/A