Specifies, for transformers having only one tapped winding, requirements valid for all categories of voltage variation. Gives definitions and additional requirements for constant, variable and combined flux variations, as well as examples of specifications for transformers with tappings. Gives connections and symbols to be used for the designation of inter-phase connections of three-phase transformers.

AS 2374.4-1982 - Equivalent

NFC 52 100:1996 - Equivalent

HD 398.1:1979 - Similar

HD 398.4:1979 - Similar

VDE 0532-4:1982 - Similar