Home / Standards / GB/T 25843-2017 GB/T 25843-2017 Active Technical requirments of control and protection equipment of ±800 kV ultra high voltage direct current transmission ±800 kV 特高压直流输电控制与保护设备技术要求 Standard Type GBT ICS 29.240.01 CCS K45 Status 现行 Issue Date 2017-12-29 Implementation 2018-07-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A