Home / Standards / GB/T 20993-2012 GB/T 20993-2012 Active DC filter capacitors and neutral bus surge capacitors for HVDC transmission system 高压直流输电系统用直流滤波电容器及中性母线冲击电容器 Standard Type GBT ICS 31.060.70 CCS K42 Status 现行 Issue Date 2012-06-29 Implementation 2012-11-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A