This standard specifies the timing, parameters and methods of reactance method (low voltage) detection of power transformer winding deformation, and points out the principles, methods and requirements for judgment. This standard applies to power transformers with a capacity of 2500kVA or above. Power transformers with a capacity smaller than the above regulations can refer to the implementation.
DL/T 1093-2018 history
2018DL/T 1093-2018 Guide for reactance method to detect and diagnose windging deformation of power transformer
2008DL/T 1093-2008 Guide for reactance method to detect and diagnose windging deformation of power transformer