Home / Standards / GB/T 1094.3-2017 GB/T 1094.3-2017 Active Power transformers—Part 3:Insulation levels,dielectric tests and external clearances in air 电力变压器 第3部分:绝缘水平、绝缘试验和外绝缘空气间隙 Standard Type GBT ICS 29.180 CCS K41 Status 现行 Issue Date 2017-12-29 Implementation 2018-07-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A