European foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Efficiency and Efficiency Index calculation
5 Minimum Peak Efficiency Index values
6 Transformers categories currently excluded
7 Capitalisation of losses
Annex A (normative) - Minimum PEI for dry type large
power transformers
Annex B (informative) - Peak Efficiency Index formula,
graphs and calculations
Annex C (informative) - Form for data requested
Annex D (informative) - Benchmark of Peak Efficiency Index
Annex E (informative) - Capitalisation of losses
Annex F (informative) - Background on verification
tolerances during market surveillance
Annex ZZ (informative) - Relationship between this
European Standard and the requirements of
Commission Regulation (EC) No 548/2014 of
21 May 2014 on implementing Directive 2009/125/EC
of the European Parliament and of the Council with
regard to small, medium and large power transformers
Bibliography