BS EN 50329 : 2003

Introduction
1 General
2 General requirements for a traction transformer
3 Directly-coupled traction transformer
4 Traction converter transformers
5 Auxiliary transformers
6 Traction auto-transformers
Annex A (informative) - Preferred duty classes
Annex B (normative) - Insulation characteristics and test
        values
Annex C (normative) - Determination of losses and of
        equivalent current by means of alternative methods
Annex E (informative) - Evaluation of traction transformer
        behaviour
Annex F (informative) - Information for tenders and orders
Bibliography

Defines specific characteristics of traction transformers as defined in 1.3.1, used in traction substation or along the track for the supply of power to a.c. and d.c. traction systems or to provide power to auxiliary services.