Home / Standards / GB/T 7409.3-2007 GB/T 7409.3-2007 Active Excitation system for synchronous electrical machines - Technical requirements of excitation system for large and medium synchronous generators 同步电机励磁系统 大、中型同步发电机励磁系统技术要求 Standard Type GBT ICS 29.160.99 CCS K21 Status 现行 Issue Date 2007-01-16 Implementation 2007-08-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A