Inspec keywords: fault diagnosis; power transformer protection; current transformers; power transmission

Other keywords: superimposed differential current; magnetising inrush current; over-excitation conditions; service power transformer modelling; current transformer saturation condition; tap change condition; power transformer protection scheme; negative sequence component extraction; PSCAD-EMTDC software package; CT saturation condition; positive sequence component extraction; power transmission system; internal fault detection; India; internal faults

Subjects: Transformers and reactors; Power transmission, distribution and supply