Home / Standards / GB/T 34123-2017 GB/T 34123-2017 Active Technical specification for power system frequency converter protection 电力系统变频器保护技术规范 Standard Type GBT ICS 29.240.01 CCS K45 Status 现行 Issue Date 2017-07-31 Implementation 2018-02-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A