Normas IEC
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IEC
IEC 60071-1:2019 RLV
In Force
2019-08-08
Insulation co-ordination - Part 1: Definitions, principles and rules
IEC
IEC 60076-4:2002
In Force
2002-06-06
Power transformers - Part 4: Guide to the lightning impulse and
switching impulse testing - Power transformers and reactors
IEC
IEC 60076-3:2013+AMD1:2018 CSV
In Force
2018-03-22
Power transformers - Part 3: Insulation levels, dielectric tests and
external clearances in air
IEC
