IEC 60076-3 Power transformers - Insulation levels, dielectric tests and external clearances in a

Languages: English, FrenchThis part of IEC 60076 specifies the insulation requirements and the corresponding insulation tests with reference to specific windings and their terminals. It also recommends clearances in air between live parts of bushings on oil-immersed power transformers and to objects at earth potential (clause 16). Guidance can be obtained from IEC 60071.