Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air (IEC 60076-3: 2000, IDT)
his Malaysian Standard applies to single-phase and three-phase oil-immersed power transformers (including auto-transformers), with the exception of certain small and special transformers, as defined in the scope of IEC 60076-1. It identifies transformer windings to their highest voltage for equipment Um associated with their corresponding rated insulation levels and details the relevant applicable dielectric tests and minimum external clearances in air between live parts of bushings and to objects at earth potential.
For categories of power transformers and reactors which have their own IEC standards, this standard is applicable only to the extent in which it is specifically called up by cross reference in the other standards.
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06/05/2019
63
NSC 05 - Generation, Transmission & Distribution of Energy
