Preface
1 Scope
2 Reference publications
3 Definitions
4 Total ownership cost for electric utility
transformers
5 Total ownership cost for other than
electric utility transformers
6 Test methods
7 Minimum efficiency values for dry-type
transformers
8 Special electrical features
9 Marking
Annex A (normative) - Basic loss calculation steps for
determining efficiency
Annex B (informative) - Premium efficiency levels
Annex C (informative) - Bibliography