Home / Standards / GB/T 14549-1993 GB/T 14549-1993 Active Quality of electric energy supply--Harmonics inpublic supply network 电能质量 公用电网谐波 Standard Type GBT ICS N/A CCS F20 Status 现行 Issue Date 1993-07-31 Implementation 1994-03-01 Responsible Dept 国家标准委 Drafting Unit N/A