Inspec keywords: power transformer protection; statistical analysis; signal detection; current transformers; fault diagnosis; signal reconstruction

Other keywords: CT saturation; fault detection; fault condition; secondary current waveform; saturated secondary current reconstruction; fault current signal parameter; protective system mal-operation; high-order derivatives; load change classification; CT dynamic behaviour; waveform reconstruction; current transformer saturation detection; phase fault selection; inrush current; statistical criterion; saturated secondary current detection

Subjects: Transformers and reactors; Other topics in statistics; Signal detection