Home / Standards / GB/Z 20840.100-2023 GB/Z 20840.100-2023 Active Instrument transformers—Part 100: Guidance for application of current transformers in power system protection 互感器 第100部分:电力系统保护用电流互感器应用导则 Standard Type GBZ ICS 29.180 CCS K41 Status 现行 Issue Date 2023-12-28 Implementation N/A Responsible Dept 中国电器工业协会 Drafting Unit N/A