Home / Standards / GB/T 39270-2020 GB/T 39270-2020 Active Voltage dip indices and severity assessment method 电压暂降指标与严重程度评估方法 Standard Type GBT ICS 29.020 CCS K04 Status 现行 Issue Date 2020-11-19 Implementation 2021-06-01 Responsible Dept 国家标准委 Drafting Unit N/A