This standard specifies the general technical conditions, inspection methods, inspection rules and requirements for marking, packaging, transportation and storage of generator transformer group protection devices. This standard applies to generator transformer group protection devices used in thermal power plants, hydropower plants, nuclear power plants, etc., and serves as the basis for the design, manufacturing, testing and operation of the devices. Also suitable for the following protection devices:
——generator protection device;
——power plant main transformer protection device;
——high-voltage factory transformer protection device;
——high-voltage starting/standby transformer protection device;
——excitation transformer/exciter protection device.
DL/T 671-2010 history
2011DL/T 671-2010 General specifications for generator-transformer unit protection equipment
1999DL/T 671-1999 General specifications for microprocessor-based generator-transformer unit protection equipment