1 Scope
2 Normative references
3 Terms and definitions
4 Service conditions
5 Rating and general requirements
6 Requirements for transformers having a tapped winding
7 Connection phase displacement symbols
8 Rating plates
9 Safety, environmental and other requirements
10 Tolerances
11 Tests
12 Electromagnetic compatibility (EMC)
13 High frequency switching transients
14 Earthing terminal
15 Information required with enquiry and order
Annex A (informative) - Check list of information to be
provided with enquiry and order
Annex B (informative) - Transient loading - Mathematical model
Annex C (informative) - Gauges, Indicators and Relays for
Gas-filled power transformers to transformers
Annex D (informative) - Bibliography