This standard specifies the work requirements for on-site maintenance of 1000kV oil-immersed transformers and 1000kV oil-immersed shunt reactors in AC UHV substation (switching) stations, excluding disassembly and maintenance when returned to the factory. This standard is applicable to the maintenance work of 1000kV oil-immersed transformers (including the main body of the transformer and the high-voltage transformer) and 1000kV oil-immersed shunt reactors (including the main body of the reactor and the small neutral point reactor).
DL/T 310-2010 history
2011DL/T 310-2010 Guide for AC 1000kV oil-immersed transformer and shunt reactor maintenance