This standard specifies the test conditions, test equipment and instrumentation, test methods, test criteria, etc. for on-site handover tests of 1000kV AC electrical equipment. This standard applies to on-site testing of 1000kV AC electrical equipment.
DL/T 309-2010 history
2023DL/T 309-2023 1000kV AC system power equipment field test implementation guidelines
2011DL/T 309-2010 Execution guide for field test of 1000kV AC system power equipment