This standard specifies the type, rated parameters, technical requirements, test methods and inspection rules of the static backup power automatic input device. This standard applies to automatic input devices for backup power supply installed in power plants and substations of power systems. Other industrial and mining enterprises can also refer to it.
DL/T 526-1993 history
2013DL/T 526-2013 General specification for automatic bus transfer equipment
2002DL/T 526-2002 General specification for automatic bus transfer equipment
1970DL/T 526-1993 General specification for automatic bus transfer equipment