Home / Standards / GB/T 42001-2022 GB/T 42001-2022 Active Altitude correction method for external insulation flashover voltage of high voltage power transmission projects 高压输变电工程外绝缘放电电压海拔校正方法 Standard Type GBT ICS 29.080.01 CCS F21 Status 现行 Issue Date 2022-10-14 Implementation 2023-05-01 Responsible Dept 中国电力企业联合会 Drafting Unit N/A