Inspec keywords: transformer oil; dielectric relaxation; power transformer insulation; dielectric materials; paper

Other keywords: Cole–Cole plots; distribution density functions; ionic liquids; dielectric testing techniques; insulation condition assessment; Cole–Cole model; many-body interaction process; cable insulating oil; oil-paper insulated transformers; transformer oil-paper insulation; polar liquids; elementary Debye relaxation properties; dielectric materials; frequency domain; distributed dielectric relaxation; dielectric mixtures; time domain dielectric response; Cole–Cole diagram

Subjects: Dielectric materials and properties; Organic insulation; Transformers and reactors