Home / Standards / GB/T 20989-2017 GB/T 20989-2017 Active Determination of power losses in high-voltage direct current (HVDC) converter stations 高压直流换流站损耗的确定 Standard Type GBT ICS 29.200 CCS K46 Status 现行 Issue Date 2017-07-31 Implementation 2018-02-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A