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OVE EN 60076-3:2019
Power transformers -- Part 3: Insulation levels, dielectric tests and external clearances in air ( IEC 60076-3:2013 + A1:2018) (english version)
This International Standard applies to the power transformers specified in the scope of IEC 60076-1. It contains details of the applicable voltage tests and minimum test levels to be applied. In the event that the external minimum clearances in air between live parts and between live parts and earth have not been specified by the customer, corresponding recommended values are given. For the categories of power transformers and reactors described in their own IEC standards, this standard is only applicable if reference to this standard is made by special reference in the other standards.
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Austrian Standards Institute [on]
Austrian Standards Institute [on]