This part of GB/T 2900 specifies the terms and definitions of special equipment for motors and transformers. This part applies to technical fields related to special equipment for motors and transformers.
GB/T 2900.39-2009 history
2009GB/T 2900.39-2009 Electrotechnical terminology.Special equipment for electrical machine and transformer
1994GB/T 2900.39-1994 Electrotechnical terminology. Special equipment for electrical machine and transformer