Home / Standards / GB/T 34122-2017 GB/T 34122-2017 Active Technical specification for configuration of relaying protection and security automatic equipment of AC 220kV~750kV grid 220kV~750kV电网继电保护和安全自动装置配置技术规范 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