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 Active Issue Date 1993-07-31 Implementation 1994-03-01 Centralized Committee 国家标准委 Issuing Authority 国家技术监督局