Inspec keywords: failure analysis; power transformer insulation; power transformer protection; harmonic analysis; transformer windings; vectors

Other keywords: harmonic content analysis; differential current Park vector modulus; turn-to-turn winding insulation failure detection; extended Park vector approach-based differential protection; power transformer protection; magnetising inrush current transients; three-phase power transformers

Subjects: Algebra; Transformers and reactors; Reliability; Insulation and insulating coatings