Home / Standards / GB/T 20840.103-2020 GB/T 20840.103-2020 Active Instrument transformers—Part 103:The use of instrument transformers for power quality measurement 互感器 第103部分:互感器在电能质量测量中的应用 Standard Type GBT ICS 29.180 CCS K41 Status 现行 Issue Date 2020-03-31 Implementation 2020-10-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A